【正文】 ——推測語氣【了解即可】用語推測語氣的情態(tài)動(dòng)詞：can,may,must1)肯定陳述句中：must表“肯定、必定、一定”意，may/might表“也許，或許”意。I can speak 。May I help you?我能幫你嗎？陳述句：_______________________________肯定回答：____________________________否定回答：____________________________You may borrow my 。No, he couldn’t 。)一般疑問句：_______________________________肯定回答：____________________________否定回答：____________________________Shall we meet at the school?(我們在學(xué)校碰面好嗎？征求意見)陳述句：_______________________________肯定回答：____________________________否定回答：____________________________Shall he call you tonight？（今晚他給你打電話好嗎? 征求意見）陳述句：_______________________________肯定回答：____________________________否定回答：____________________________（4）may表示可以，或者請(qǐng)求別人的許可。一般疑問句：_______________________________肯定回答：____________________________否定回答：____________________________You can collect the plates for me.（幫我收掉這些碟子。3)疑問句中：只能用can或could,不能用must,may或might。一般疑問句：_______________________________肯定回答：____________________________否定回答：____________________________They watched the movie last Monday.一般疑問句：_______________________________肯定回答：____________________________否定回答：____________________________She teaches them English.一般疑問句：_______________________________肯定回答：____________________________否定回答：____________________________You passed the exam last 。注意：（1）must的一般疑問句回答比較特殊Must I do the homework?Yes, you must(必須).No, you don’t have to(沒有必要).They must clean the classroom.(打掃教室)一般疑問句：_______________________________肯定回答：____________________________否定回答：____________________________（2）could為can的過去式，都能表示能，或者請(qǐng)求別人的許可。