情态动词课件.ppt

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情态动词(20张PPT)初中英语专项复习课件

情态动词(20张PPT)初中英语专项复习课件
看法。
(1)只作情态动词:must;can/could;may/might;ought to
(2)既可作情态动词又可作实义动词:need,dare
((34))既 具可 有作 情情 态态 动动词词某又些可特作征稿稿定助:定hPa动PPvTP,e词T/海h:量asd素ha材tlo持l;/s续hha更odublde;twteirll/would
【知识拓展】
1. must的一般疑问句,肯定回答为Yes, ...must.;否定回答为No, ...needn’t./No, ...don’t have
to.—Must I clean the classroom now? 我必须现在打扫教室吗?
—Yes, you must. 是的,你必须。/No, you don’t have to. /No, you needn’t. 不,你不必。
He promised he would never smoke again. 他承诺他再也不吸烟了。
Their English teacher would tell them stories in
表示过去反复发生的动 English after class.
作或某种倾向
他们的英语老师总是在课后用英语给他们讲故事
新,上千款模板选择总有一
款适合你
知识点二:情态动词的特点
情态动词的特点: (1)情态动词无人称和数的变化(have to除外); (2)情态动词后接动词原形; (3)情态动词的否定式是在其后加not; have to除外 (4)具有助动词的作用,可用来构成否定句、疑问句及用于简明答语; (5)个别情态动词有现在式和稿过定去PP式T两种形式,过去式用来表达更加客气、委 婉的语气,时态性不强,可稿用定于PPT过,海去量、素材现持在续更或将来。

情态动词语法讲解PPT课件

情态动词语法讲解PPT课件
•You will wait outside the gate. •Brian! You will close the door.
b)表示“必然”,可用should,ought to和 must(一般用于陈述句),其中must口气最为 肯定。都指说话人根据一定情况做出推测或 判断.
•She should be here in a minute
•They must be home by now.(他们现在一定到家了)
will/would表示“推测”可有三种情况
1)对特定事态的推测
A: Who’s that man over there? B: That will be George, no doubt. C: That would be George, I except.
过去“能力”: could, was/were
able to
肯定句:
•Could:一般能力
• She could play the piano when she was only six.
• was/were able to(及managed to):具体 事件
• He was able to translate the article without a dictionary.
b)表示“可能”,可用may, might,
can, could
may/might:
1.既可以表示现在的可能,也可表示将来 的可能,might在口气上比may更委婉
• 现在:It may/might be true. • 将来:He may/might leave tomorrow.
2.在疑问句中,用can,不用may。
如果是推测过去的事态,则用must +have done

《情态动词表推测》课件

《情态动词表推测》课件

根据所给语境,选择合适的情态动词表达对过去事实的 推测。
通过实际语境中的情态动词使用,培养语言逻辑思维能 力。
练习题三:对将来事实的推测
掌握对将来事实的推测 理解情态动词在时间表达中的运用
提高语言表达能力
练习题三:对将来事实的推测
01
练习内容:
02
根据所给语境,选择合适的情态动词表达 对将来事实的推测。
《情态动词表推测》ppt课件
目录
• 情态动词表推测的定义 • 情态动词表推测的用法 • 情态动词表推测的注意事项 • 情态动词表推测的练习与解析 • 总结与回顾
01
情态动词表推测的定义
什么是情态动词
01
情态动词是表示说话人的语气和 态度的动词,它们通常与助动词 结合使用,表达可能性、必要性 、意愿等意义。
02
情态动词表推测的用法
对现在事实的推测
总结词
表示对目前情况的推测
详细描述
情态动词如“may”,“might”,“could”等可以用来表示对目前情况的推 测,通常基于某些证据或迹象,但不确定。例如:“It may be raining today ,based on the dark clouds in the sky.”
以上内容仅供参考,具体内容可以根据实际需求进行修改和 调整。
04
情态动词表推测的练习与解析
练习题一:对现在事实的推测
掌握对现在事实的推 测
提高语言实际运用能 力
理解不同情态动词的 细微差别
练习题一:对现在事实的推测
01
练习内容:
02
03
04
根据所给语境,选择合适的情 态动词表达对现在事实的推测
02
常见的情态动词有can、may、 must、should等。

《情态动词》PPT课件

《情态动词》PPT课件
work our this problem. 如果你睡个好觉,那么你就能做出这个题目。 3、表示过去的能力: could表示过去一般的能力, 但不表示做或未做某事;
was/ were able to表示过去有能力并且成功地做了某事, 相当于managed to do something/ succeeded in doing something;
• Mr. Bush is on time for everything. How can it be that he was late for the opening ceremony? (表疑惑、惊讶)
表示请求、允许、允诺
1. 当对方是决策者时,你代表你(们)自己(I, We),或代表第三者(he,she,they)向对方 (you)请示或提出建议时用:
Revision:Modal verbs
情态动词专项复习
How many modal verbs
do you remember?
(情态动词)
一,常见的情态动词有:can, could, may, might ,must, shall, should, will, would, need, have to等
4、具有情态动词的某些特征的有:have(had) to, used to.
情态动词的特征
1、有一定的词义,但不能单独作谓语,它们要和行 为动词或连系动词连用,构成谓语。
2、适用于主语的各种人称和数 have to例外,主语 是第三人称单数时,要用has to)。如:
We/ He must work hard. 我们/他一定要努力工作。 I have to walk home. 我得步行回家。 He has to walk home. 他得步行回家。

情态动词专题知识公开课获奖课件

情态动词专题知识公开课获奖课件
第7页
②在予以他人许可时,常用can,但有时也用may。不能用 might。
-May I play basketball this afternoon? 今天下午我可以打篮球吗? -Yes,you may. 行,可以。
第8页
(2)表达也许性 may和might表达也许性时,可以对目前、过去或未来进行 推测。 Peter may e with us tonight,but he isn't sure yet. 彼得今晚也许和我们一起来,但他还没确定。 He might be studying in the classroom. 他也许正在教室里学习。
用于必定句,表示对
taken the other road.It might have
过去没有做某事遗憾,意思 been quicker.可能我们本应走另一
should/ou 为“原来能够……(但实际 条路,那样可能更加快些。
第17页
(3)用于法律、公约、约定等正式条文,重要用于第三人称。 Students shall remain in their seats until all the papers have been collected. 试卷所有收回后学生方可离开座位。
第18页
5. will和would使用措施 作情态动词will,would与作助动词will,would多种形式相 似。 (1)表达自愿做或积极提出做什么,如意志、愿望或决心等。 would用于过去状况。
第14页
The TV set is broken. I have to buy a new one. 电视机坏了。我不得不再买台新。 The students will have to know how to use the puters. 学生将必须理解怎样使用电脑。 He had to go,because his mother was ill. 他不得不离开,由于他母亲病了。

我的公开课情态动词课件

我的公开课情态动词课件

2. —What’s the name of the book? —Khulaifi. _________ I spell it for you? A. Shall B. Would C. Can D. Might
情态动词表必要性
• must • need
高考真题演练
must 表“必须”
mustn’t 禁止
A. might B. must C. would D. can
3. What do you mean, there are only ten tickets? There ______ be twelve.
A. should B. would C. will D. shall
4. It is usually warm in my hometown in March, but it _____ be rather cold sometimes.
1. 不必须
don’t have to needn’t do
don’t need to
2. must还可表示“偏偏、偏要” e.g. Must you make so much noise?
• You ___ buy a gift, but you can if you want to.
• must
1. 常用于否定句或疑问句。 e.g. You can’t be hungry already — you had
lunch only two hours ago!
2. can用于肯定句中表示理论上的可能性,并不 牵涉是否真的会发生
e.g. You can hurt yourself if you play in the street.
A. must B. can C. should D. would

情态动词-完整版PPT课件

情态动词-完整版PPT课件
情态动词 modal verbs
1.情态动词的用法特点
1)情态动词 除 ought 和 have 外,后面只能 接不带to 的不定式。 2)情态动词没有人称,数的变化,即情态动 词第三人称单数不加-s。 3)情态动词没有非谓语形式,即没有不定式, 分词等形式。
can could may might shall should must will would ought to
have to dare need used to
表示推测
情态动词
不表示推测
2.表示推测——情态动词的重要用法.
情态动词
对将来
对现在
对过去
m肯ust/定sho的uld 推测
+ V. + V. + have done
常见must be + be doi定的推测 can’t, couldn’t
疑问的推测
can, could
+ V.
+ V.
+ have done
+ be doing
可以用not表示“可能不”
+V.
+ V.
+ have done
+ be doing
+ V.
+ V.
+ have done
+ be doing
不同的“肯定”程度可按下列层次排列: He is at home. (事实) He must be at home.(非常肯定的推断) He ought to be at home.(很可能) He could be at home.(很可能) He may be at home.(仅仅可能而已) He might be at home.(或许, 非常不确定) He might not be at home.(也许不在家) He may not be at home. (比might可能) He couldn’t be at home.(很可能不在家) He can’t be at home.(一定不在家)

小学英语语法课件-情态动词can PPT课件 全国通用

小学英语语法课件-情态动词can PPT课件 全国通用

Dolphins can jump high and do tricks. Dolphins can’t fly. — Can dolphins see well and make lots of sounds? — Yes, they can. What can dolphins do?
小 学 英 语 语 法课件 -情态动 词can P PT课 件 全 国 通用
小 学 英 语 语 法课件 -情态动 词can P PT课 件 全 国 通用
Presentation
Sentences
1. 肯定句:主语+can +动词原形+其他 I can dance. 我会跳舞。
2. 否定句:主语+can’t+动词原形+其他 I can’t dance. 我不会跳舞。
3. 一般疑问句及回答:Can+主语+动词原形+其他? — Can you dance? 你会跳舞吗? — Yes, I can. / No, I can’t. 是的,我会。/不,我不会。
Sentences
He can’t be at home. 他不可能在家。 Can he come here today, please? 请问他今天能来这里吗?
can在句中表示可能,常用于否定句或疑问句中,指某种 可能性。
小 学 英 语 语 法课件 -情态动 词can P PT课 件 全 国 通用
小 学 英 语 语 法课件 -情态动 词can P PT课 件 全 国 通用
小 学 英 语 语 法课件 -情态动 词can P PT课 件 全 国 通用
Presentation
Sentences
Koalas and polar bears can climb fast and swim fast. Koalas and polar bears can’t fly. — Can koalas and polar bears eat fish and plants? — Yes, they can. What can koalas and polar bears do?
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dare
no one, nobody连用;
done
3Байду номын сангаас常以needn’t 和daren’t(sth.) need
doing
的形式出现;
4.dare有其过去时dared.
判断正误: How dare you say such a thing?
How dare you to say such a thing?
He daren’t to speak English before such a crowd, did he?
He daren’t speak English before such a crowd, dare he?
Nobody need to be afraid of catching the disease. Nobody need be afraid of catching the disease.
--Must we do it now? --No, you __n_e_e_d_n_’_t__.
(don’t have to)
表示推测——情态动词的重要用法.
1. You must be Mr Smith----I was told to expect you here.
2. He must have known what we wanted. 3. We may have read the same report. 4. He can’t have slept through all that noise. 5. There’s someone outside----who can it be? 6. What can they be doing? 7. These pills might help to cure your disease. 8. You could be right, I suppose.
____ remain in their seats until all the papers
have been collected.
(2002上海高考题)
A. can B.will C. may D. shall
3.--I heard they went skiing in the mountains last
可以用not表示“可能不”
+V.
+ V.
+ have done
+ be doing
+ V.
+ V.
+ have done
+ be doing
1. I don't know where she is, she __m_a_y___ be in Wuhan. 2. At this moment, our teacher _m__u_st__b_e_m__a_r_k_in_g__ our exam papers. 这时,我们老师想必在批改试卷。 3. The road is wet. It _m__u_s_t _h_a_v_e_r_a_i_n_e_d_ last night.
可兼做行为动词的情态动词:need 、 dare
情态动词 (+动词原形)
行为动词
1.无人称和数的变化; need 2.尤其用于:
*否定句及疑问句中;
多用于肯定句;
(sb.) need to do
*在if/whether之后; .
dare to do
*或与hardly, never, (sth.) need to be
语法讲义之
情态动词 modal verbs
向永平
1.--Is John coming by train?
--He should, but he ____ not. He likes driving
his car.
(2002高考题)
A. must B. can C. need D. may
2.It has been announced that candidates(候选人)
表示推测——情态动词的重要用法.
情态动词
对将来
肯定的推测
+ V.
must 常见must be
对现在
对过去
+ V.
+ have done
+ be doing
可能的推测
may, might
否定的推测
can’t, couldn’t
疑问的推测
can, could
+ V.
+ V.
+ have done
+ be doing
情态动词
表示推测 不表示推测
I daren’t ask her for a rise. 我不敢请求她加薪. How did you dare to tell her that? I wonder whether he dare stand up in public. I don’t know how she dares to wear that dress. Do you need any help? I wonder whether he need send it immediately. I need hardly tell you that the work is dangerous. The garden doesn’t need watering at the moment. You needn’t finish that work today.
winter.
(2002北京高考题)
--It ____ true because there was little snow there.
A. may not be
B. won’t be
C. couldn’t be
D. mustn’t be
can could may might shall should must will would ought to have to dare (daren’t) need (needn’t) used to
No, ____yo__u_n_e_e_d_n_’_t___. No, __y_o_u_d_o_n_’_t_h_a_v_e__to_.
needn’t 对其它情态动词的回答:
--Shall I tell John about it? --No, you __n_e_e_d_n_’_t__.
(don’t have to)
These dishes need be cleaned carefully. These dishes need to be cleaned carefully. These dishes need cleaning carefully.
注意对need问句的回答:
--Need I finish the work today? --Yes, ____y_o_u_m__u_s_t_____.
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