21.2比较can和be able to-模样形状动词 21.2比较can和be able to 1)can/could默示本领;年夜概(过往时用could),只用于现在式和过往式(could)。be able to可以用于各种时态。例如: They will be a... /
2010-06-08 / 查看
1235 次
5.4助动词have的用法-动词 5.4助动词have的用法 1)have +过往分词,组成完成时态。例如: He has left for London.他已往了伦敦。 By the end of last month, they had finished half of their work.... /
2010-06-08 / 查看
399 次
5.10助动词练习_动词 5.10助动词练习 1. If it is fine tomorrow, we ______ a football match. a. have b. will have c. has d. shall has 2. When he was at school, he ______ early and take ... /
2010-06-08 / 查看
5 次
21.3比较may和might-模样形状动词 21.3比较may和might 1)默示理睬或恳求;默示没有掌握的料到;may放在句首,默示祝愿。例如: May God bless you!愿天主保佑你! He might be at home.他年夜概在家... /
2010-06-08 / 查看
6 次
21.11 will和would-模样形状动词 21.11 will和would 留意: 1)would like;would like to do = want to想要,为牢固搭配。例如: Would you like to go with me?想和我一块往吗? 2)Will you…?Woul... /
2010-06-08 / 查看
2 次
21.13带to的模样形状动词-模样形状动词 21.13带to的模样形状动词 带 to的模样形状动词有四个:ought to, have to, used to, be to,如加上have got to(=must), be able to,为六个。它们的疑问、否定形式... /
2010-06-08 / 查看
641 次