过去完成时过去完成时 一、表现形式 1. 基本形式： had + 过去分词。 2. 否定形式： had + not + 过去分词 (had not 照样可缩写 hadn't) 。 3. 一般疑问形式： had 提到句首，回答用 Yes, 主 语 + had. / No, 主语 + hadn't. 例如： — Had he told you to go there earlier yesterday?他昨天告诉过你早点儿到那儿吗？ — Yes, he had. / No, he hadn't. 是的，他告诉了。/ 不，他没有。 4. 被动语态形式： had + been + 过去分词。如：When I got there, the windows had been broken. 当我到那儿时，窗户已经被打破了。 二 . 用法1. 过去完成时表示一个动作或状态在过去某一时间或动作之前已经结束或完成 . 它表示的动作发生的时间是“过去的过去” .I had written the article when they came.He got to the railway station and suddenly realized that he had forgotten to bring his ticket.2. 表示一个动作或状态在过去的某一时间之前已经开始 , 一直延续到这一过去时间 .They had worked for 12 hours by 6 o’clock this morning.He had been in this college for 5 years before I came to study. 明显标志 :1. 句中有 by 引导的过去时间状语 :By the time we got there, all the other guests had arrived.2. 与过去完成时连用的时间状语有 already, yet, still, never等 .They had already left before I returned. 1.When I_____( get) there, the Smiths already ____(have) their dinner.2.By the end of last year they _____(produce) more than 500,000 tractors.3.Tom_____(read) at least 20 novels in the past year.4.____you___(give) the book to Jim yesterday? No, because he ____(borrow) one from the library.5.He said that he_____never_____(hear) of that before.6.Ann_____(leave) her keys in the office, so she had to waitUntil her husband____(come) home.7.He_____(work) on a farm for 3years before he became a shopkeeper. 7.My brother_____(join) the army in 1989. He ______(be) a soldier for over 3 years.8.How long ____you_____(...
