過去完成時had done結構常見句型
過去完成時表示“過去的過去”發生的動作或存在的狀態，因此其對比點是過去的動作或狀態（大部分情況下以一般過去時did/was/were結構做比較）。爲了同學們掌握方便，現就將其常見句型總結如下：
1．“By the end of +名詞（短語），主語 + had done…”
例如：By the end of the day, most of the inhabitants had left their homes.（到這一天，大部分居民已離開他們的家園。）
2．“主句（had done）, before + 過去時間狀語 ”
例如：They had never seen so many of the locusts before.（他們以前從未見過如此多的蝗蟲）
I had reached the station before six o'clock.
（六點之前我已到達車站。）
3. “用在told, said, knew, heard, thought等動詞後的賓語從句，表示動作發生在這些動詞之前。”
例如：She said that she had never been to Paris.（她說她從未去過巴黎。）
4．“By the time + 從句（did/was/were）, 主語 + had done…”
例如：By the time we arrived, everyone had received medical care.（我們到達時，每個人已接受了醫療護理。）
5．“主語 +had done…, before 從句（did/was/were）”
例如：Fortunately, the population had left the village before the volcano erupted.（幸運的是，火山噴發前人們已離開了村莊。）
6．“主語 +had done…, when 從句（did/was/were）”
例如：They had already put the fire out when I returned to the village.（當我返回村子時，人們已將大火撲滅。）
7．“主語 + (did/was/were), after 從句（had done）”
例如：The earthquake happened in the daytime after people had already left home for work or school.（地震發生在白天，當時人們已離開家去上班或上學。）
8．“用在 Hardly(scarcely, barely)…when…, No sooner…than…句型中”
例如：Hardly had I got home when the rain poured down. （我剛到家大雨就傾盆而下。）
No sooner had he left home than it began to rain. （他一離開家天就下起雨來。）
9．“用在 It /This/That was the first…time + that 從句 （had done）中”
例如：It was the third time that he had made the same mistake. （這是他第三次犯同樣的錯誤了。）
10．“用在It was/had been + 一段時間 + since 從句 （had done）中”
例如：It was ten years since we had had such a wonderful time.（十年我們都沒這麼高興了。）
11．“hope, plan, mean, expect, intend, suppose, want, think 等動詞有時用過去完成時表示一個本來打算做而未做，曾經設想而未實現的事。”
例如：They had wanted to help but could not get here in time. (他們本想來幫忙，但未及時趕到。)
I had thought that he had died at least twenty years ago. (我原以爲他至少死了十年。)
I had intended to come over to see you, but was prevented from doing so. (我原打算過來看你，但受阻未成。)
12．“用於表示與過去事實相反的if 虛擬條件句中”
例如：If she had seen you yesterday, she would have told you the truth. (如果她昨天見過你，她已告訴你事實的真相。)
13．“用在 wish 後的賓語從句中，表示與過去事實相反。”
例如：I wished that he hadn't made such a mistake. (我希望他從未犯過這樣的錯誤。)
以上是我們教材及練習題,高考題中常出現的過去完成時had done 結構基本句型的用法，希望對同學們徹底掌握這一時態有所幫助，我們可以在以後的學習中更加積累和完善。
