一、Read and w rite
1.He can speak English.
2.May Ihelp you?
3.You must hand in your homework.
4.You needn’t do it at once.
5.Would you please open the windows?
二、Fill in the blanks using Modal Verb
1.He________swim.
2.________Iborrow your pen?
3.________I leave now?No,you________.
4.I think you________have a rest.
5.He________go to university next year.
知识点:情态动词就像助动词一样不能单独作谓语,也没有人称和数的变化,它必须和其它动词一起构成谓语,既情态动词后面要接动词原形。情态动词通常表达说话人的态度、情绪和语气等。常用的情态动词有:can,could,may,might,must,need,shall,should,will,would等。
三、can,could(有时也是can的过去式或语气更委婉)
1.表示能力I can play piano.
2.表示请求与允许(此处可用may)Can Ihelp you?
3.表示客观可能性This room can hold 100people.
4.表示推测(主要用于否定句和疑问句)It can’t be done by him.
四、may,m ight(有时也是may的过去式或语气更委婉)
1.表示请求和允许May/Might I take photos here?
2.表示推测,可能性Hemay/might be very busy now.(www.xing528.com)
3.用于祈使句,表示祝愿May you succeed!
五、must,have to
1.表示必须,必要You must/have to come in time.
在回答must引出的问句时,如果否定不能用mustn’t,而用needn’t或don’t have to.
—Must I finish the job today?—Yes,you must.—No,you needn’t/don’t have to.
2.must表示主观,而have to强调客观。Must只有一般现在时,而have to有人称,时态变化。He has/had to clean the room.
表示推测,可能性,用于肯定句。Your brothermust be waiting for you.
六、need
1.need在肯定句中常是实义动词,在疑问句和否定句中常是情态动词。
Ineed to do some reading.Ineedn’t do some reading.
2.need的一般疑问句及其回答.
A:Need Ibuy the book?
B:Yes,you must.No,you needn’t/don’t have to.
七、shall,should(有时也是shall的过去式或语气更委婉)
1.shall用于第一人称,表示征求对方的意见。Shall we go out now?
2.shall用于第二、第三人称,表示说话人对对方的命令。
You shall fail if you don’twork hard.
八、w ill,would(有时也是w ill的过去式或语气更委婉)
1.表示请求,建议等。Will/Would you please giveme a hand?
2.表示意志,愿望和决心。Iwill never do that again.
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