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Çé̬¶¯´ÊÓÐ can (could), may (might), must, have to, shall (should, will (would), dare (dared), need (needed), ought to µÈ¡£Çé̬¶¯´ÊÎÞÈ˳ƺÍÊýµÄ±ä»¯£¬ ²»Äܵ¥¶ÀʹÓá£

1 Ó¢ÓïÇé̬¶¯´ÊÓ÷¨Ë³¿ÚÁïÇé̬¶¯´ÊÒª¼ÇÀÎ;¶¯´ÊÔ­ÐÎÀ´¸úÉÒ¡£ ²»¹ÜÈ˳Ƶ¥¸´Êý;ÏÖÔÚ¹ýÈ¥ÀÖåÐÒ£¡£ can ±íÄÜÁ¦ºÍÐí¿É;Ò²Ðí¿ÉÄÜ may À´±í; ±ØÐëÒ»¶¨ must;should Ó¦¸ÃÀ´±¨µ½¡£ Ó¢ÓïÇé̬¶¯´ÊÓ÷¨Ë³¿ÚÁï

»Ø´ð²»Ðë needn¡¯t;mustn¡¯t Ϊ²»±ØÒª¡£ ·ñ¶¨Ö»Òª½Ó not;ÒÉÎʸϽôÍùǰÅÜ¡£

1 Çé̬¶¯´ÊµÄ»ù±¾Ó÷¨ÓÐÄÄЩһ¡¢ can, could 1) ±íʾÄÜÁ¦£¨ÌåÁ¦¡¢ÖªÊ¶¡¢¼¼ÄÜ£©¡£ Can you lift this heavy box?£¨ÌåÁ¦£© Mary can speak three languages.£¨ÖªÊ¶£© Can you skate?£¨¼¼ÄÜ£©

´Ëʱ¿ÉÓà be able to ´úÌæ¡£Can Ö»ÓÐÒ»°ãÏÖÔÚʱºÍÒ»°ã¹ýȥʽ£»¶ø be able to ÔòÓиü¶àµÄʱ̬¡£

I¡¯ll not be able to come this afternoon.

µ±±íʾ¡°¾­¹ýŬÁ¦²ÅµÃÒÔ×ö³É¹¦Ä³Ê¡±Ê±Ó¦Óà be able to£¬²»ÄÜÓà Can¡£È磺 He was able to go to the party yesterday evening in spite of the heavy rain.

2) ±íʾÇëÇóºÍÔÊÐí¡£ -----Can I go now?

----- Yes, you can. / No, you can¡¯t.

´Ëʱ¿ÉÓë may »¥»»¡£ÔÚÒÉÎʾäÖл¹¿ÉÓà could,might ´úÌæ£¬²»Êǹýȥʽ£¬Ö» ÊÇÓïÆø¸üίÍñ£¬²»ÄÜÓÃÓڿ϶¨¾äºÍ´ðÓïÖС£ ---- Could I come to see you tomorrow? ---- Yes, you can. ( No, I¡¯m afraid not. ) 3) ±íʾ¿Í¹Û¿ÉÄÜÐÔ£¨¿Í¹ÛÔ­ÒòÐγɵÄÄÜÁ¦£©¡£

They¡¯ve changed the timetable , so we can go by bus instead. This hall can hold 500 people at least.

4) ±íÊ¾ÍÆ²â£¨¾ªÑÈ¡¢»³ÒÉ¡¢²»ÏàÐŵÄ̬¶È£©£¬ÓÃÓÚÒÉÎʾ䡢·ñ¶¨¾äºÍ¸Ð̾ ¾äÖС£

Can this be true?

This can¡¯t be done by him. How can this be true? ¶þ¡¢ may, might

1) ±íʾÇëÇóºÍÔÊÐí¡£might ±È may ÓïÆø¸üίÍñ£¬¶ø²»Êǹýȥʽ¡£·ñ¶¨»Ø´ð ʱ¿ÉÓà can¡¯t »ò mustn¡¯t£¬±íʾ¡°²»¿ÉÒÔ£¬½ûÖ¹¡±¡£ ----Might/ May I smoke in this room? ---- No, you mustn¡¯t.

---- May/Might I take this book out of the room? ---- Yes, you can. (No, you can¡¯t / mustn¡¯t. )

Óà May I...£¿Õ÷áß¶Ô·½Ðí¿Éʱ±È½ÏÕýʽºÍ¿ÍÆø£¬¶øÓà Can I...£¿ÔÚ¿ÚÓïÖиü ³£¼û¡£

2£©ÓÃÓÚÆíʹ¾ä£¬±íʾףԸ¡£

May you succeed!

3) ±íÊ¾ÍÆ²â¡¢¿ÉÄÜÐÔ£¨²»ÓÃÓÚÒÉÎʾ䣩¡£

might ²»Êǹýȥʽ£¬ËüËù±íʾµÄ¿ÉÄÜÐÔ±È may С¡£ 1£®He may /might be very busy now.

2£®Your mother may /might not know the truth. Èý¡¢ must, have to 1) ±íʾ±ØÐë¡¢±ØÒª¡£ You must come in time.

ÔڻشðÒý³öµÄÎʾäʱ£¬Èç¹ûÊÇ·ñ¶¨µÄ£¬²»ÄÜÓà mustn¡¯t£¨½ûÖ¹£¬²»×¼£©£¬¶ø Óà needn¡¯t, don¡¯t have to£¨²»±Ø£©.

---- Must we hand in our exercise books today? ---- Yes, you must.

---- No, you don¡¯t have to / you needn¡¯t.

2) must ÊÇ˵»°È˵ÄÖ÷¹Û¿´·¨£¬ ¶ø have to ÔòÇ¿µ÷¿Í¹ÛÐèÒª¡£Must Ö»ÓÐÒ»°ã ÏÖÔÚʱ£¬ have to Óиü¶àµÄʱ̬ÐÎʽ¡£

1£® he play isn¡¯t interesting, I really must go now. 2£® I had to work when I was your age. 3) ±íÊ¾ÍÆ²â¡¢¿ÉÄÜÐÔ£¨Ö»ÓÃÓڿ϶¨µÄ³ÂÊö¾ä£©

1£® You¡¯re Tom¡¯s good friend, so you must know what he likes best. 2£® Your mother must be waiting for you now. ËÄ¡¢ dare, need

1) dare ×÷Çé̬¶¯´ÊÓÃʱ, ³£ÓÃÓÚÒÉÎʾ䡢·ñ¶¨¾äºÍÌõ¼þ´Ó¾äÖÐ, ¹ýȥʽÐÎʽ Ϊ dared¡£

1£® How dare you say I¡¯m unfair?

2£® He daren¡¯t speak English before such a crowd, dare he?