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
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
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
11.11用于现在完成时的句型 -动词的时态 11.11用于现在完成时的句型 1)It is the first / second time.... that…构造中的从句部分,用现在完成时。例如: It is the first time that I have visited t... /
2010-06-08 / 查看
0 次