物体三态变化口诀

（适合于八年级11月《重难点解析》栏目）

物体三态变化口诀

河北献县高官中学邱石军 062256

为了准确地记忆物体的三态变化名称及吸放热情况，可对照下图并结合口诀记忆。

从图上看：气体最轻放在最上端，固体最重，放在最下端，向上的箭头表示的变化都吸热；向下的箭头表示的变化都放热。

口诀记忆如下：

气体轻，往上升；固体重，下面定；液体居于二者中；

重变轻，吸热变化熔汽升；轻变重，放热变化液双凝。

意义：气体最轻，升值最上端；固体最重，固定在最下端；液体介于两者之间，在中间位置。

由较重的状态变化到较轻的状态，是吸热变化，包括：熔化、汽化、升华。

由较轻的状态变化到较重的状态，是放热变化，包括：液化、凝固、凝华。

动词的三单形式变化规则

哪些主语是第三人称单数? 现归纳总结如下：一、人称代词he, she, it 是第三人称单数。如： He likes watching TV. 他喜欢看电视。 He has lunch at twelve. 她十二点吃午餐。 It looks like a cat. 它看起来像只猫。二、单个人名、地名或称呼作主语；是第三人称单数。如： ①Han Mei looks like her mother. xx 看起来像她的母亲。 ②Beijing is in China. xx 在xx。 ③Un cle Wang often makes cakes. xx 叔叔经常做蛋糕。三、单数可数名词或"this / that / the+ 单数可数名词"作主语时，是第三人称单数。如： ①A horse is a useful ani mal. 马是有用的动物。 ②This book is yours. 这本书是你的。 ③That car is red. 那辆小汽车是红色的。 ④The cat is Lucy's. 这只猫是露xx的。四、不可数名词作主语时为第三人称单数。如： ①The milk is in the glass. 牛奶在玻璃杯里。 ②The bread is very small. 那面包很小。动词的三单形式变化规则： 1．一般情况下，直接加-s 2．以s. x. sh. ch. o 结尾，加-es

3. 以“辅音字母+y ”结尾，变y 为i,再加-es 4. have 要变 has 般现在时用法专练 : 写出下列动词的第三人称单数 drink ___ ____ go ____ __ stay ____ __ make _ look _______ ____ have ____ ___ pass ___ ___ carry _ come___ ____ watch__ ___ plant___ ___ fly __ study ___ ___ brush ____________ ___ do ___________ ___ teach_ 二、用括号内动词的适当形式填空。 1. He often _______ (have) dinner at home. 2. Daniel and Tommy _____ (be) in Class One. 3. We _____ (not watch) TV on Monday. 4. Nick ____ (not go) to the zoo on Sunday. 5. ____ they _______ (like) the World Cup? 6. What ______ they often ______ (do) on Saturdays? 7. _____ your parents ______ (read) newspapers every day? 8. The girl ______ (teach) us English on Sundays. 9. She and I _______ (take) a walk together every evening. 10. There ______ (be) some water in the bottle. 11. Mike _____ (like) cooking. 12. They _____ (have) the same hobby. 13. My aunt ______ (look) after her baby carefully.

动词ing和三单形式的变化规则

1.一般情况下直接加ing play玩—playing listen听---listening read stories（读故事书）-- reading stories climb mountains（爬山）-- climbing mountains 2.以不发音的e结尾的动词，去e，再加ing make制做—making dance跳舞---dancing come来---coming 3.辅音+元音+辅音结尾的单词，双写词尾字母再加ing *（元音字母a、e、i、o、u）swim游泳—swimming run跑步—running stop停止—stopping shop购物—shopping 当主语是第三人称单数时，谓语动词要用第三人称单数形式，如：I play football. He plays football. I live in Shanghai. Sarah lives in Shanghai. 主语第三人称单数形式：he / she / it / my father… /Amy / Zhang Peng… 1.一般情况在词尾加s: like—likes dance---dances live居住—lives 2.以o、s、x 、sh、ch结尾的单词加es. do—does go-- goes teach教--- teaches watch看--watches wash clothes洗衣服--- washes clothes 3.以元音（aeiou）+y结尾的单词，加s: play-- plays say说-- says 4.以辅音+y结尾的单词，变y为i再加es ：fly kites放风筝-- flies kites study学习-- studies 5.特殊记：have有—has I have a book. She has a book. 1.一般情况下直接加ing play玩—playing listen听---listening read stories（读故事书）-- reading stories climb mountains（爬山）-- climbing mountains 2.以不发音的e结尾的动词，去e，再加ing make制做—making dance跳舞---dancing come来---coming 3.辅音+元音+辅音结尾的单词，双写词尾字母再加ing *（元音字母a、e、i、o、u）swim游泳—swimming run跑步—running stop停止—stopping shop购物—shopping 当主语是第三人称单数时，谓语动词要用第三人称单数形式，如：I play football. He plays football. I live in Shanghai. Sarah lives in Shanghai. 主语第三人称单数形式：he / she / it / my father… /Amy / Zhang Peng… 1.一般情况在词尾加s: like—likes dance---dances live居住—lives 2.以o、s、x 、sh、ch结尾的单词加es. do—does go-- goes teach教--- teaches watch看--watches wash clothes洗衣服--- washes clothes 3.以元音（aeiou）+y结尾的单词，加s: play-- plays say说-- says 4.以辅音+y结尾的单词，变y为i再加es ：fly kites放风筝-- flies kites study学习-- studies 5.特殊记：have有—has I have a book. She has a book. 一般现在时态变陈述句变一般疑问句（主语是第三人称单数）规则Does +he /she/it /一个人的名字、身份+动词原形+…….？

动词单三形式变化规则

动词单三形式的变化规则---------对应时态（一般现在时） 1．一般情况下，直接加-s，如：cook-cooks，milk-milks? 2．2．以s。x。sh。ch。o结尾，加-es，如：guess-guesses，wash-washes，watch-watches go-goes? 3．3．以“辅音字母y”结尾，变y为i，再加-es，如：study-studies? 练习：写出下列动词的第三人称单数? drink ________ go _______ stay ________ make ________? look _________ have_______ pass_______ carry ____? come________ watch______ plant_______ fly ________? study_______ brush________ do_________ teach_______? wash_______? 1 He often ________（have）dinner at home。? 2 Daniel and Tommy _______（be）in Class One。? 3 We _______（not watch）TV on Monday。? 4 Nick _______（not go）to the zoo on Sunday。? 5 ______ they ________（like）the World Cup？? 6 What _______they often _______（do）on Saturdays？? 7_______ your parents _______（read）newspapers every day？? 8 The girl _______（teach）us English on Sundays。? 9 She and I ________（take）a walk together every evening。? 10 There ________（be）some water in the bottle。? 11 Mike _______（like）cooking。?

英语动词第三人称单数变化规则

英语动词第三人称单数变化规则一般现在时的肯定句中，主语为第三人称单数的动词变化主要体现在词尾的变化上，其规律为： doesn’t 或does not，动词的第三人称单数形式要还原成原形：格式为doesn’t/does not + 动词原形，如： " He goes to school at six in the morning. (变否定句) →He doesn't go to school at six in the morning. 2、变一般疑问句：把含有动词第三人称单数形式的变成一般疑问句时，要借用助动词does，如： She goes home at five every day. →Does she go home at five every day --- Yes, she does./No, she doesn’t. 3、对划线部分进行提问（变特殊疑问句）：一般格式为Whxxx + 一般疑问句 She goes home at five every day. (对划线部分提问) →When/What time does she go home every day She goes home at five every day. (对划线部分提问) ]

→Who goes home at five every day She goes home at five every day. (对划线部分提问) →What does she do at five every day 哪些主语是第三人称单数 1、人称代词he, she, it；如：He likes watching TV. 他喜欢看电视。 She has lunch at twelve. 她十二点吃午餐。 It looks like a cat. 它看起来像只猫。 2、单个人名、地名或称呼作主语；是第三人称单数。如： Han Mei looks like her mother. 韩梅看起来像她的母亲。 , Beijing is in China. 北京在中国。 Uncle Wang often makes cakes. 王叔叔经常做蛋糕。 3、单数可数名词或this / that / the + 单数可数名词作主语时，是第三人称单数； A horse is a useful animal. 马是有用的动物。 This book is yours. 这本书是你的。 That car is red. 那辆小汽车是红色的。 The cat is Lucy's. 只猫是露茜的。 4、不定代词someone, somebody, nobody, everything, something等及指示代词this, that 作主语时，是第三人称单数。如： Everyone is here. 大家到齐了。 @ There is something wrong with the watch. 这块手表有毛病。 This is a pen. 这是一支钢笔。 That is an eraser. 那是一块橡皮擦。 5、不可数名词作主语时为第三人称单数。如： The milk is in the glass.牛奶在玻璃杯里。 The bread is very small. 那面包很小。 The water is very cold. 那些水很凉。 6、当数字或字母作主语时，看作第三人称单数。如： “7” is a lucky number in western countries, but “8” is a lucky number in China. “7”在西方国家是个吉利数字，但在中国“8”是个吉利数字。 “I” is a letter and a word. “I”既是个字母，又是单词。：例题引路： 1、写出下列动词的第三人称单数。 drink ________ go _______ stay ________ make ________ look _________ have_______ pass_______ carry _______ come________ watch________ plant_______ fly ________ study_______ brush________ teach________ 2、用括号内动词的适当形式填空。 1. He often ________(have) dinner at home. 2. We _____________ (not watch) TV on Monday. 3. Nick ___________ (not go) to the zoo on Sunday.

动词第三人称单数变化规则

动词第三人称单数变化规则 1) 一般情况下，动词后面直接加-s. 例如：works gets says reads 2) 以ch,sh,s,x 或o 结尾的动词,在后面加-es。例如： go-goes teach-,teache wash-washes brush-brushes ,catch-catches ,do-does ,fix -fixes 3) 以辅音字母+ y结尾的动词，把y变为i 再加-es. 例如： study- studies try-tries carry-carries ,fly-flies cry-cries 现在分词变化规则 1.直接+ ing(例：sleep+ing sleeping) 2.去e+ing(例：bite-e+ing biting) 3重读闭音节，且末尾只有1个辅音字母，双写辅音字母+ing(例：sit+t+ing sitting) 4.特殊变化：die-dying,lie-lying，tie-tying 5.不规则变化现在进行时的基本用法： A 表示现在( 指说话人说话时) 正在发生的事情。例：We are waiting for you. B. 习惯进行：表示长期的或重复性的动作，说话时动作未必正在进行。例：Mr. Green is writing another novel. (说话时并未在写，只处于写作的状态。) 例：She is learning piano under Mr. Smith. C.已经确定或安排好的将来活动 I'm leaving for a trek in Nepal next week.（已经安排了） we're flying to Paris tomorrow.(票已经拿到了） D.有些动词（状态动词不用于进行时态） 1.表示知道或了解的动词:believe,doubt,forget,imagine,know, remember,realize,suppose,understand 2.表示―看起来‖―看上去"appear,resemble,seem 3表示喜爱或不喜爱hate,like.lover.prefer 4表示构成或来源的动词be come from.contain,include 5表示感官的动词hear see smell sound taste 6表示拥有的动词belong to.need.own .possess.want wish

(完整版)小学英语一般现在时三单动词的变化规则及练习题(最新整理)

一般现在时三单动词的变化规则及练习题 1．一般情况下，直接加-s 2．以s. x. sh. ch. o结尾，加-es 3．以“辅音字母+y”结尾，变y为i, 再加-es 一、写出下列动词的第三人称单数 drink ________ go _______ stay ________ make ________ look _____ ____ have_______ pass_______ carry ____ come________ watch___ ___ sing_______ fly ________ study_______ brush________ do_______ __ teach_______ 二、用括号内动词的适当形式填空。 1. He often ________(have) dinner at home. 2. Daniel and Tommy __ _____(be) in Class One. 3. We _______(not watch) TV on Monday. 4. Nick _______(not go) to the zoo on Sunday. 5. What _______they often _______(do) on Sundays? 6. _______ your mother _______(read) newspapers every day? 7. Mike _______(like) cooking. 8. I _______(be) ill. I’m in bed. 9. L iu Tao _______(do) not like PE. 10. The child often _______(watch) TV i n the evening. 三、按照要求改写句子 1. He watches TV every evening.(改为否定句) ___________________________________________________ 2. I do my homework every day.(改为一般疑问句，作否定回答) ________________________________________________

动词现三单变化

名词的复数变化规律一般现在时主语单三人称时的动词变化 ①在一般现在时中，当主语为第三人称单数时，动词要用“s”型（即第三人称单数形式）。 ②所谓动词“s”型的构成，可按名词变复数的规则来记，即： i）在动词尾直接加s。如： play—plays，want—wants，work—works，know—knows，help—helps，get—gets ii）以字母s、x、ch或o结尾的动词加-es；如： guess—guesses，fix—fixes，teach—teaches，brush—brushes，go—goes，do—does，watch —watches，catch—catches iii）以辅音字母＋y结尾的动词，先变y为i，再加-es。如： study—studies，carry—carries，fly—flies，worry—worries ③④强调如何将主语是第三人称单数的肯定句变为否定和疑问句。现举例说明（用划线部分来说明顺口溜）： 1）His mother works in a factory． His mother doesn’t work in a factory． Does his mother work in a factory？ 2）Mr Li teaches us English． Mr Li doesn’t teach us English． Does Mr Li teach you English？ 3）My brother studies maths well． My brother doesn't study maths well． Does your brother study maths well？

动词第三人称单数的变化规则及练习

动词第三人称单数的变化规则及练习一、使用情况：在一般现在时中，当主语是第三人称单数时，谓语动词要用第三人称单数形式，即常在动词原形后加-s或-es。(标志词usually often always sometimes never every等) 二、变化规则 1、直接在动词后+s 例如：like- likes play-plays 2、以s, x, sh, ch, 接尾的动词：+es 例如：wash-washes 3、以辅音+o接尾的动词：+es 例如：go-goes 4、以辅音字母+y接尾的动词：变y为i+es 例如：fly-flies 以元音字母+y接尾的动词后+s 例如：play-plays 5、除上述规律外，还应注意下面三点： 1)动词have ，遇到主语是第三人称单数时，要用has；动词be 的第三人称单数形式是is。 2）含有动词第三人称单数形式的句子变否定句时，要用doesn't + 动词原形，如：He goes to school at six in the morning. (变否定句)→He doesn't go to school at six in the morning. 3)对含有动词第三人称单数形式的句子提问时，要用助动词does 如：She goes home at five every day. (对划线部分提问)→When / What time does she go 注意：不规则变化：have-----has，be-------is，do-----does

I 写出下列动词的第三人称单数(-s)和现在分词(-ing) go do play jump swim run put sing dance come get have fly study read write look drink eat walk like

英语动词单三变化规则及名词单数变复数口诀

动词的第三人称单数现在式变化规则： 1）一般由动词原形加-s get-gets play-plays 2）以e结尾的动词，加-s like-likes make-makes 3)以o结尾的动词加-es go-goes do-does 以s, x, ch, sh等字母结尾的动词，后面加-es kiss-kisses fix-fixes teach-teaches fish-fishes 4)以辅音字母加y结尾的动词，先将y变i, 再加-es fly-flies study-studies 5) have –has 一般现在时主语+动词原型V I have a friend. You have a friend. We have a friend. They have a friend. 主语（第三人称单数）+动词V（三单） She / He / It has a friend. Tom / My mother has a friend.

名词单数变复数口诀 (一) 规则变化名词单数变复数，直接加-s 占多数； s, x, z, ch, sh 来结尾，直接加上-es；词尾是 f 或fe，加-s 之前先变ve；辅母+ y 在词尾，把y 变i 再加-es；词尾字母若是o，常用三个已足够，要加-es 请记好，hero, tomato, potato。 (二) 不规则变化男人女人 a 变e，鹅足牙oo 变ee；老鼠虱婆也好记，ous 变ic；孩子加上ren，鱼鹿绵羊不用变。 This---these(这些) that -- those(那些) 【解说】 1. 英语名词有单数和复数的区别，单数表示“一”，复数表示“多于一。”名词由单数变复数，多数是规则的变，直接加-s，例如：book →books, girl →girls。但以-s, -z, -x, -ch, -sh 结尾的名词，变成复数时加-es, 例如：bus →buses, buzz →buzzes, box →boxes, watch →watch es, brush →brushes 2. -f(e) 结尾的名词单数变复数歌诀：①树叶半数自已黄，妻子拿刀去割粮，架后窜出一只狼，就像强盗逃命忙。②妻子持刀去宰狼，小偷吓得发了慌，躲在架后保己命，半片树叶遮目光。例如：leaf (树叶，叶子)，half (一半)，self (自已)，wife (妻子)，knife (刀子)，shelf (架子)，wolf (狼), thief (窃贼，强盗) 和life (生命)，这些名词变成复数时，都要改-f (e) 为v，再加-es。 3. -f 结尾的名词直接加-s 变复数歌诀：海湾边、屋顶上，首领奴仆两相望；谁说他们无信仰，证据写在手帕上。例如：

动词三单形式变化规则练习

一般现在时动词三单形式变化 1.一般直接在动词后加s ；play--plays 2.以s/x/o/sh/ch 结尾的动词，直接加es ；watch--watches 3.以辅音加y 结尾的动词，变y 为i 再加es ；study--studies 4.特殊变化，have--has (注意：只有当主语是she/he/it/人名单数/名词单数时，动词才要变化 “does ” 一出现，动词就还原。） 1.写出下列动词的三单形式 jump _______ throw _______ kick _______ catch _______ wash _______ go _______ study _______ busy _______ hop _______ run _______ read _______ have_______ 2.请在括号内选择正确的词。 Tom (like/likes) roller skating,but I (like/likes)watching TV. My father (read/reads)books,and I (do/does)my homework. Jack ’s classmates(play/plays)basketball every afternoon. ④Lily ’s sister(draw/draws)picture every day. ⑤Father(buy/buys)me a gift for my birthday. ⑥Jack and I(bounce/bounces)ball every Sunday morning. 3.请用括号内动词的正确形式填空 She_______(cook)everyday ，but doesn ’t_______(wash) everyday. 练习四大原则

动词单三形式变化规则

. 动词单三形式的变化规则---------对应时态（一般现在时） 1．一般情况下，直接加-s，如：cook-cooks，milk-milks 2．以s。x。sh。ch。o结尾，加-es，如：guess-guesses，wash-washes，watch-watches go-goes 3．以“辅音字母y”结尾，变y为i，再加-es，如：study-studies 练习：写出下列动词的第三人称单数drink ________ go _______ stay ________ make ________ look _________ have_______ pass_______ carry ____ come________ watch______ plant_______ fly ________ study_______ brush________ do_________ teach_______ wash_______ 1 He often ________（have）dinner at home。 2 Daniel and Tommy _______（be）in Class One。 3 We _______（not watch）TV on Monday。 4 Nick _______（not go）to the zoo on Sunday。 5 ______ they ________（like）the World Cup？ 6 What _______they often _______（do）on Saturdays？ 7_______ your parents _______（read）newspapers every day？ 8 The girl _______（teach）us English on Sundays。 9 She and I ________（take） a walk together every evening。 10 There ________（be）some water in the bottle。 11 Mike _______（like）cooking。如有侵权请联系告知删除，感谢你们的配合！如有侵权请联系告知删除，感谢你们的配合！精品

动词三单的变化规则及练习

-- 动词三单的变化规则及练习规则： 1．一般情况下，直接加-s ，如： cook-cooks, milk-milks 2．以 s. x. sh. ch. o 结尾，加-es ，如：guess-guesses, wash-washes, watch-watches, go-goes 3．以“辅音字母 +y”结尾，变 y 为 i, 再加 -es ，如：study-studies 练习 : 写出下列动词的第三人称单数 (60 ’) drink ________ go _______ stay ________ make ________ look _________ have_______ pass_______ carry ________ come________ watch______ plant_______ fly ________ study_______ brush________ teach_______ 填空： (40’) 1.He often ________(have) dinner at home. 2.Daniel and Tommy _______(be) in Class One. 3.We _______(not watch) TV on Monday. 4.Nick _______(not go) to the zoo on Sunday. 5.______ they ________(like) the World Cup? 6.What _______they often _______(do) on Saturdays? 7._______ your parents _______(read) newspapers every day? 8.The girl _______(teach) us English on Sundays. 9.She and I ________(take) a walk together every evening. 10.There ________(be) some water in the bottle. 11.Mike _______(like) cooking. 12.They _______(have) the same hobby. 13.My aunt _______(look) after her baby carefully. 14.You always _______(do) your homework well. 15. I _______(be) ill. I ’ m staying in bed. 16.She _______(go) to school from Monday to Friday. 17.Liu Tao _______(do) not like PE. 18.The child often _______(watch) TV in the evening. 19.Su Hai and Su Yang _______(have) eight lessons this term. 20.－What day _______(be) it today? － It ’ s Saturday. 21. --

动词的三单形式变化规则

哪些主语是第三人称单数现归纳总结如下：一、人称代词he,she,it是第三人称单数。如： HelikeswatchingTV.他喜欢看电视。 Hehaslunchattwelve.她十二点吃午餐。 Itlookslikeacat.它看起来像只猫。二、单个人名、地名或称呼作主语；是第三人称单数。如： ①HanMeilookslikehermother.韩梅看起来像她的母亲。 ②BeijingisinChina.北京在中国。 ③UncleWangoftenmakescakes.王叔叔经常做蛋糕。三、单数可数名词或"this/that/the+单数可数名词"作主语时，是第三人称单数。如： ①Ahorseisausefulanimal.马是有用的动物。 ②Thisbookisyours.这本书是你的。 ③Thatcarisred.那辆小汽车是红色的。 ④ThecatisLucy's.这只猫是露茜的。四、不可数名词作主语时为第三人称单数。如： ①Themilkisintheglass.牛奶在玻璃杯里。 ②Thebreadisverysmall.那面包很小。动词的三单形式变化规则： 1．一般情况下，直接加-s 2．以s.x.sh.ch.o结尾，加-es 3．以“辅音字母+y”结尾，变y为i,再加-es 4.have要变has 一般现在时用法专练: 一、写出下列动词的第三人称单数 drink________go_______stay________make________ look_________have_______pass_______carry____ come________watch______plant_______fly________ study_______brush________do_________teach_______ 二、用括号内动词的适当形式填空。 1.Heoften________(have)dinnerathome. 2.DanielandTommy_______(be)inClassOne. 3.We_______(notwatch)TVonMonday. 4.Nick_______(notgo)tothezooonSunday. 5.______they________(like)theWorldCup 6.What_______theyoften_______(do)onSaturdays 7._______yourparents_______(read)newspaperseveryday 8.Thegirl_______(teach)usEnglishonSundays. 9.SheandI________(take)awalktogethereveryevening. 10.There________(be)somewaterinthebottle. 11.Mike_______(like)cooking. 12.They_______(have)thesamehobby.

动词三单的变化规则

上海恒山教育题库 ——专项练习（动词的第三人称单数）在一般现在时中，当主语是第三人称单数时，谓语动词要用第三人称单数形式，即常在动词原形后加-s或-es。现归纳总结如下：一、人称代词he, she, it是第三人称单数。如： He likes watching TV. 他喜欢看电视。 She has lunch at twelve. 她十二点吃午餐。 It looks like a cat. 它看起来像只猫。二、单个人名、地名或称呼作主语；是第三人称单数。如： ①Han Mei looks like her mother. 韩梅看起来像她的母亲。 ②Beijing is in China. 北京在中国。 ③Uncle Wang often makes cakes. 王叔叔经常做蛋糕。三、单数可数名词或"this / that / the+单数可数名词"作主语时，是第三人称单数。如： ①A horse is a useful animal. 马是有用的动物。 ②This book is yours. 这本书是你的。 ③That car is red. 那辆小汽车是红色的。 ④The cat is Lucy's. 这只猫是露茜的。四、不定代词someone, somebody, nobody, everything, something等及指示代词this, that 作主语时，是第三人称单数。如： ①Everyone is here. 大家到齐了。 ②There is something wrong with the watch. 这块手表有毛病。 ③This is a pen. 这是一支钢笔。 ④That is an eraser. 那是一块橡皮擦。五、不可数名词作主语时为第三人称单数。如： ①The milk is in the glass. 牛奶在玻璃杯里。 ②The bread is very small. 那面包很小。六、当数字或字母作主语时，看作第三人称单数。如： ①"6" is a lucky number. "6"是个吉利数字。 ②"I" is a letter. "I"是个字母。三单动词的变化规则 1．一般情况下，直接加-s 2．以s. x. sh. ch. o结尾，加-es 3．以“辅音字母+y”结尾，变y为i, 再加-es 一般现在时用法专练: 一、写出下列动词的第三人称单数 drink ________ go _______ stay ________ make ________ look _________ have_______ pass_______ carry ____ come________ watch______ plant_______ fly ________ study_______ brush________ do_________ teach_______ 二、用括号内动词的适当形式填空。 1. He often ________(have) dinner at home. 2. Daniel and Tommy _______(be) in Class One. 3. We _______(not watch) TV on Monday. 4. Nick _______(not go) to the zoo on Sunday.

动词单三变化及练习题精选

动词第三人称单数词尾变化及读音动词第三人称单数词尾变化有三种形式。 (1)一般动词在词尾加-s，-s在清辅音后读／s／，在浊辅音或元音后读／z／ds读／dz／，ts读／ts／。如： help→helps／helps／，know→knows／n uz／，get→gets／gets／，read→reads／ri dz／ (2)以字母s，x，ch，sh或有些以o结尾的动词加-es，-es读／iz／。如： guess→guesses／' siz／，fix→fixes／'fiksiz／，teach→teaches／'ti t iz／，wash→washes／'w iz／注意：go→goes／ uz／，do→does／d z／ (3)以辅音字母+y结尾的动词，先变y为i，再加-es，-ies读／iz／。如： carry→carries／'k riz／，fly→flies／flaiz／注：在play→plays／pleiz／，say→says／sez／中，字母y前为元音字母，第三人称单数形式直接在动词后面加-s。 (4)特殊词例外。如： be→is，have→has 以不发音字母“e”结尾的开音节词，如果尾音是[s]，[z]时，加“s”后字母“e”发音，与所加“s”，一起读做[iz]。如： close－closes [iz]

一般现在时练习一.用词的适当形式填空。 1.What time_________ his father_________(do) the work? 2.He _________(get) up at five o’clock. 3.__________ you _________(brush) your teeth every morning. 4.What ________ ( do ) he usually ________( do ) after school? 5.Tom ________ ( study ) English, Chinese, Maths, Science and Art at school. 6. Kitty sometimes __________(go) to the park with his sister. 7.At eight at night, she __________( watch ) TV with her parents. 8. ________ Mike________( read ) English every day? 9.How many lessons________ your classmates______( have ) on Monday? 10.We often___________ ( play ) football in the playground. 二．选择 () 1. _____ you have a book? A. Do B. Are C. Is D. Have ()2. They _________ on a farm. A. working B. is work C. work D. is worked () 3. Does Peter like to watch TV? __________. A. Y es, he like B. No, he doesn’t C. Y es, he’d like D. No, he likes ()4. She doesn’t __________ her homework in the afternoon. A. doing B. to do C. does D. do ()5. How ____________ Mr. Brown ___________ to America? A. do,go B. is,go C. does,go D. does,goes ()6. Where’s my camera? I____________ it. A. am not finding B. am not seeing C. can’t find D. can’t look at ()7. How ___________ he go to work? He ___________ to work by bike. A. does ;go B. do;goes C. do ;go D. does;goes ()8. ______ you usually late for school?