過去式常和以下時間副詞連用:
1.yesterday昨天 ex. the day before yesterday 前天
2.last ex. last night 昨晚
3.ago ex. an hour ago 一小時前
4.just now剛剛/the other day幾天前
.. << 詳全文 >>
had+pp
用法:
1.過去某個時間的動作
2.某個動作發生之前的動作
例句:
The train had gone berore they reached the station.
他們到車站之前火車已經開走了
When I arrived,Tom had alreadly .. << 詳全文 >>