小学四年级英语一般现在时

【知识梳理1】一、一般现在时的构成：1. be 动词：主语 + be + 其他 → 注意：be 动词根据人称相应地变化为am, is areHe is a little boy.eg: I am a little boy.She is a little girl.2. 行为动词：主语 + 行为动词 + 其他 → 注意：当主语为第三人称单数(he, she, it) 时，要在动词后加‘-s/ -es’。

I/They/You/We study English.eg:He/She studies English.二、一般现在时基本使用情况：1. 表示经常性或习惯性的动作：I get up at six every day.关键词：常与表示频率的时间副词连用2. 表示事物和人物的特征、状态：The sky is blue. He is fat.3. 表示客观事实：The earth goes around the sun.【巩固练习】I. Fill in the blanks with the given verbs in their proper forms.1.She usually ______(go) to school by bike.2.The sun ______(rise) in the east and ______ (set) in the west .3.John and Linda __________ in the same class. (be)4. __________ your schoolbags in Room 301? (be)5. __________ he often __________ his homework every morning? (do)6.We __________ TV on Monday. (not watch)7.__________ your mother __________ rooms every day? (clean)day year week every month afternoon evening once/twice/three times a week on Sundays on MondaysAre you a student? Are they workers?特殊疑问句：What is he?2. 行为动词的变化肯定式：sb +do+其他eg: I like pork. 第三人称单数：sb+does+ 其他eg: He likes pork.否定式：sb +don’t +其他eg:I don’t like por k. 第三人称单数：sb+doesn’t +其他eg: He doesn’t like pork.一般疑问句: Do+ sb +其他第三人称单数：Does + sb +其他eg: Do you like pork? eg:Does he like pork?-Yes, I do. / No, I don’t. -Yes, he does. / N o, he doesn’t.特殊疑问句：What do you like? / What does he like?【例题精讲】1.按要求改写句子：1.Do you often play football after school? (肯定回答) __________________________________________.2. I have many books. （改为否定句）___________________________________________.3. Gao Shan’s sister likes playing table tennis （改为否定句）______________________________________________.4. She lives in a small town near New York. (改为一般疑问句）______________________________________________.5.I watch TV every day. （改为一般疑问句）_______________________________________________ .【巩固练习】1. 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.4. -_______ you _________ at _________?（你擅长唱歌吗？）- Yes, I am5. Mr Green often ___________ in the countryside. (散步)6. I _______a red bag. But he_________ a blue one. (有)7. Mother always__________TV in the evening. (看电视)III.阅读AA train stops at a station. A young man wants to come out, but it is raining. A boy is standing under a big umbrella. The young man says to the boy. “Can you go and get us two hamburgers, one for you and one for me? Here are two dollars.” “Great!” say the boy and he goes to buy hamburgers. After some time, the boy is back. He is eating a hamburger. “Where is my hamburger?” asks the young man. “Oh, there is only one hamburger left. So I’m eating mine. Here is your dollar. ”( )1．Where is the young man ?A At a stationB Under a big umbrellaC On the train( )2. What does the young man want to buy?A UmbrellaB HamburgersC Dollars( )3. Who helps the young man?A A boyB A manC .Nobody( )4. Does the young man get a hambuger?A No ,he doesn’tB Yes ,he doesC .No ,he does( )5. Is the boy clever（聪明的）?A Yes ,he isn’tB Yes ,he isC .No ,I’m not【知识梳理1】wh-疑问句基本结构是：特殊疑问词＋一般疑问句语序常用的疑问词：what, who(whom), whose, which, when, where, how, why等，回答时针对问句中的代词和副词来回答，不用yes或no来回答。

“对划线部分提问”是一种常见的句型转换题型，这类题实际上就是将所给的陈述句变为特殊疑问句。

解这类题通常分三步完成：“三步走”战略第一步：替换----找一个合适的词来替换划线部分。

第二步：提前----把替换词写在句子的开头。

第三步：改一般疑问句----把一般疑问句写在疑问词后面，注意划线部分已经被替换掉，不需要再写。

（一）注意疑问词的选择疑问词意思用法What 什么问东西、事物What day 星期几问星期几What time 什么时间问具体时间What color 什么颜色问颜色How... 怎样问情况，状态How old 多大年纪问年纪How far 多远问路程How much 多少钱；多少数量（不可数名词）How many 多少数量（可数名词）问数量Where 在哪里问地点When 何时问时间Who 谁问人Whose 谁的问主人（二）注意疑问句的语序1. 对句子的主语提问，其语序是：疑问词＋谓语＋其他成分？She is their teacher. → Is she their teacher?Who is their teacher?2. 对句子主语的定语提问，其语序是：疑问词＋主语＋谓语＋其他成分？My book is over there.→Is your book over there?Whose book is over there?3. 对表语、宾语或状语提问，其语序是：疑问词＋一般疑问句？He lives in Beijing. → Does he live in Beijng?例1.Tom, _______( open) the window.例2.Tom _______(open) the window.【巩固练习】根据要求改写句子：1. Please look at the blackboard. （改为否定句）__________________________________________2.Close your eyes, Linda. （改为否定句，但意思不变）______ _____ your eyes, Linda.3.on/walk/ the/ grass. （连词成句，并改为否定句）________________________________________________ 4.我们一起玩吧。