过去完成时ppt.ppt

1、过去完成时,过去完成时,My grandmother told me she had lived here before.,过去完成时,People had planted many trees before she left here.,过去完成时,She said that she had planted this tree two years before.,过去完成时,People had lived a happy and green life before the tall buildings were built.,过去完成时,People had built many new

2、roads and tall buildings by last year.,过去完成时,People had taken many measures to lead a happy life by last year.,过去完成时,关注的句子,People had taken many measures to lead a happy life by last year.,My grandmother told me she had lived here before.,People had planted many trees before she left here.,过去完成时,had

3、 done,时间标志,过去完成时,结构,had been done,过去完成时,by the end of last year,时间标志,含义,by the time 从句(一般过去时）,表示到过去某一时刻为止，已经完成了的动作。,by yesterday,by then,by four oclock,过去完成时,By the end of last month, they had finished their work. By the time I got home, everyone had gone to bed. I had learned English all by myself

4、by the age of 14.,过去完成时,When/ before等引导的时间状语从句,时间标志,表示过去的过去,含义二,表示一个动作在另一个过去动作之前已经完成。,两个动作都发生在过去，先发生的动作用过去完成时，后发生的动作用一般过去时。,过去完成时,The film had already begun when we arrived last night. Before I got to the station , the train had left. He got home and suddenly realized he had forgotten to turn off th

5、e light.,过去完成时,5.He said he _( not hear )from her since June.,3.I _(work) in a company for two years before I came here. 4.When everything _(be) ready, the plane took off.,1.We _（ finish）the work by nine oclock yesterday. 2.By July last year, she _(study)here for three years.,had finished,had studied,had worked,had been,had not heard,练一练,过去完成时,had done,时间标志,过去