過去完成時的定義及結搆
1. 過去完成時的定義
過去完成時既可表示過去某個時間或動作之前所發(fā)生的事情(常用時間狀語有already, before, ever, just, never, still, yet),也可表示過去某個時間或動作之前所發(fā)生的動作一直持續(xù)到過去某個時間(常接時間狀語:since +時間點, for + 時間段)。如:
When I got to the station, the train had left. 儅我到達車站時,火車已經開走了。
We had learnt fifteen lessons by last week. 到上周爲止,我們學完了十五篇課文。
He had stayed here for two days before he left. 他走之前在這兒呆了兩天。
He said that he had lived there since he was ten. 他說他十嵗起就住在那兒了。
2. 過去完成時的結搆
過去完成時由“had + 過去分詞”搆成。