人教版八年级下册第五单元重点语法--过去进行时知识点总结讲解+练习 (无答案)

教学内容过去进行时
教学目标
1、掌握过去进行时用法，理解其结构，各种语气变形；
2、熟练运用其标志词或词组造句，知其所以然；
3、了解延续性动词与非延续性动词的概念，能很好地将其与when, while结合使用。

教学重难点能做对关于中考中现在完成时考察部分的题目；并运用其写作。

一、定义
1.表示过去某个时刻正在进行的动作。

He was having breakfast at six o’clock yesterday morning.
2.表示过去某个时间段正在进行的动作。

He was writing stories the whole morning.
二、结构
1.肯定结构：主语+was/were +doing+其它.
I was watching TV at eight last night.
He was having breakfast at seven this morning.
2.否定结构：主语+was/were +not +doing+其它.
I was not watching TV at eight last night.
He was not having breakfast at seven this morning.
3.一般疑问句：Was/Were+主语+doing+其它?
(1)Were you watching TV at eight last night?
Yes, I was. / No, I wasn’t.
(2)Was he having breakfast at seven this morning?
Yes, he was. / No, he wasn’t.
4.特殊疑问句：疑问词+was/were+主语+doing+其它？
三、时间标志词
1.at+具体时刻+过去时间(at five last Saturday)
2.at this time+过去时间(at this time yesterday)
3.过去时间段(from nine to ten last evening)
4.at that time/moment
5.when &while引导的过去时间状语从句
考点一现在分词
要点归纳：
动词ing 的基本变化规则
1. __________________, 如do—doing
2.___________________, 如have—having, come—coming
3. __________________________________________________如: shop—shopping, skip—skipping, run--- running
口诀：
停止游泳，___________ _____________
开始跑步和跳绳，___________ _____________ ___________到达商店购物，___________ _____________
忘记坐下切蛋糕。

__________ _____________ ___________
口诀：
现在分词ing, 变法有三般。

一般直接加，见e去e加。

重读辅元辅，双写尾字母。

考点二特殊句型——when &while引导的过去时间状语从句要点归纳：
短：短暂性动作(用一般过去时) 长：持续性动作(用过去进行时)
1. 口诀：when后可长亦可短，while后只可长
When the thief came in, I was sleeping.
The thief came in, when I was sleeping.
The thief came in, while I was sleeping.
2. 口诀：若是两个都为长，while 来把纽带当
While the thief was carrying the TV out, I was sleeping.
The thief was carrying the TV out, while I was sleeping.
Tips:一般过去时和过去进行时时间标志词的区别：
一般过去时：过去的不精确时间
过去将来时：过去的精确时间
一、请写出下列动词的ing 形式。

paint ___________ draw ___________play ___________
give ____________ drive___________ make____________
sit_____________run______________put____________
get_____________ swim___________forget____________
二、选择题。

( ) 1. My parents __________ TV in the living room at 9 p.m. yesterday.
A. is watching
B. watched
C. would watch
D. were watching ( ) 2. Ben __________ at this time yesterday.
A. are sleeping
B. sleeping
C. was sleeping
D. slept
( ) 3. I __________ breakfast when the morning post came.
A. had
B. been having
C. am having
D. was having ( ) 4.She the guitar from 2 p.m. to 4 p.m. yesterday afternoon.
A.was playing
B. played
C. is playing
D. plays
( ) 5. My brother __________ while he __________ his bicycle.
A.fell, was riding
B. fell, were riding
C. had fallen, rode
D. falls, was riding。