初高中语法专题（时态）：过去进行时知识点综合讲解及习题专练归纳总结（完整版）

一．过去进行时：

1.定义：过去进行时表示过去某一时刻或某一段时间正在进行的动作；也表示过去某段时间一直存在的状态；

2.形式：was/were + doing

3.常与表示过去的时间状语连用:

(1) this time yesterday/last week… 昨天或上个周……的这个时候；

(2) then那时；

(3) at that time在那个时候；

(4) at that moment在那个时刻；

(5) at 6 p.m. yesterday在昨天下午6:00；

(6) at the time of…在……的这个时候；

(7)when +过去时等。

e.g. I was watching TV when he called me up.

        They were building a bridge this time last year.

        They were expecting you yesterday.

          He was reading when the rainstorm came.

          While Mary is sleeping, Tom is doing his homework.

4.过去进行时中肯定句，否定句和一般疑问句的转换规则及一般疑问句的肯定及否定回答。

e.g.(1)肯定句： We were doing my homework.

            否定句：We were not (weren’t) doing my homework.

            一般疑问句：Were you doing your homework?

            肯定回答： Yes, we were.

              否定回答：No, we weren’t.

(2)肯定句：She was working.

    否定句：She wasn’t working.

      一般疑问句：Was she working?

      肯定回答：Yes, she was.

      否定回答：No. she wasn’t.

5. 动词-ing形式的变化过则：

(1)动词ing形式的规则变化:

①一般情况下，直接加-ing;

e.g. go----going

        ask ----asking

        look----looking

        carry—carrying

②以不发音的e结尾的动词，去e加-ing;

e.g. write----writing

        make----making

        take----taking

        move—moving

        live—living

        leave—leaving

③以重读闭音节结尾的动词，末尾只有一个辅音字母，双写这个辅音字母，再加-ing；

e.g. get----getting

        sit----sitting

        put----putting

        run----running

        begin----beginning

        plan—planning

        cut—cutting

        get—getting

        beg—begging

(2)动词ing形式的不规则变化：

①die----dying

    lie----lying

    tie----tying

②picnic----picnicking

    panic----panicking

③listen----listening

    develop----developing

二. 单项选择题专练：......