全国大众英语测验语法——比较can和beableto 1)cancould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。 They will be able to tell you the news soon.他很快... /
2010-06-08 / 查看
677 次
全国大众英语测验语法——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. 上月... /
2010-06-08 / 查看
0 次
全国大众英语测验语法——hadbetter默示最好 had better相称于一个助动词,它只要一种形式,它背面要跟动词底细。 had better do sth had better not do sth It is pretty cold. You'd better put on my... /
2010-06-08 / 查看
648 次
全国大众英语测验语法——助动词do的用法 1)组成通俗疑问句,例如: Do you want to pass the CET?你想经由历程年夜学英语测试吗? Did you study German?你们学过德语吗? 2) do + not组成否定句,... /
2010-06-08 / 查看
313 次