一般过去时: 1.概念:过去某个时间里发生的动作或状态;过去习惯性、经常性的`动作、行为。 2.时间状语:ago,yesterday,the day before yesterday,last week,last(year,night,month…),in 1988,just now,at the age of 5,one day,long long ago,once upon a time,etc. 3.基本结构:be动词;行为动词的过去式 4.否定形式:was/were+not;在行为动词前加didn't,同时还原行为动词。 5.一般疑问句:was或were放于句首;用助动词do的过去式did 提问,同时还原行为动词。 6.例句:She often came to help us in those days. I didn't know you were so busy.我不知道你这么忙。 上一篇:would you like后加什么形式 下一篇:沛公欲王关中是什么句式 |