语法：过去完成进行时的应用

英语的过去完成进行时表示表示一个持续到过去某时的动作。这个是大家在中学时期就知道的，今天，小编为同学们带来了相当丰富的与英语过去完成进行时的相关语法，一起来看看吧！

过去完成进行式（Past Perfect Progressive Tense）

如果我们要强调较早发生事件的连续性，我们可以用过去完成进行式。占去完成进行式和现在进行式惟一不同的地方是 verb to have 的地方一定要用had 。

以下是一些过去完成进行式的例子：

1. I had been watching TV before you called me.

2. I had been working hard in a company for many years before I went to college.

3. He had been studying before he went to class.

4. He had been driving all day before he went to sleep.

I. 过去完成时/过去完成进行时 练习：

1. He _____ more than 5,000 English words when he entered the university at the age of 15.

 A. has learned B. would have learned C. learned D. had learned  

2. They ____ on the program for almost one week before I joined them, and now we ______ on it as no good results have come out so far.

A. had been working; are still working B. had worked; were still

C. have been working; have worked D. have worked; are still working

3. Father ______ for London on business upon my arrival, so I didn't see him.

A. has left B. left C. was leaving D. had left  

4. When the old man _____ to walk back to his house, the sun ____ itself behind the mountain.

A. started; had already hidden B. had started; had already hidden

C. had started; was hiding D. was starting; hid  

5. The policeman's attention was suddenly caught by a small box which _____ placed under the Minister's car.

A. has been   B. was being C. had been D. would be

6. — Hurry up! Alice and Sue are waiting for you at the school gate.

— Oh! I thought they ______ without me.

A.went B. are going C. have gone D. had gone

II.用所给动词（词组）的适当形式填空。

1.We ____ (look forward to) the singer’s coming before the news arrived that he was delayed by the bad weather.

2.He _____ (wait) for two hours. He was still _____(wait).

3.Mary _____ (suffer) from ill health before he was sent to hospital.

4.I _____ (see) the film before.

5.Mary _____ (do) her homework at this time last night.

怎么样，看完了小编给大家准备的语法知识，有没有感觉收获颇多呢？喜欢就收藏起来吧~