奥运英语1000句:在我来北京之前,我在上海义务 Before I came to Beijing, I worked in Shanghai.在我来北京之前,我在上海义务。 A How long have you lived in Beijing? A你在北京住多久了? B I've... /
2010-06-08 / 查看
722 次
11.29时态、语态练习_动词的时态 11.29时态、语态练习 1.“ I don’t like to travel.”“Have you ever _____ in an airplane?” a. flying b. flew c. flowed d. flown 2. The center of gravity o... /
2010-06-08 / 查看
393 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
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
11.5 be going to / will用于前提句时,be going to表将来,will表自愿。例如:_动词的时态 11.5 be going to / will用于前提句时,be going to表将来,will表自愿。例如: If you are going to make a j... /
2010-06-08 / 查看
7 次
11.3 used to / be used to -动词的时态 11.3 used to / be used to used to + do:"过往常常"默示过往习尚性的举措或状况,但现在已不存在。例如: Mother used not to be so forgetful.老妈过往没那么... /
2010-06-08 / 查看
130 次