Unit5 SectionA grammar focus导学案 2025-2026学年人教版八年级英语下册

Unit 5 Nature’s Temper

Grammar Focus

Class：________     Name：______________    Mark: ______________

【Learning Objectives】

1.understand the structure of the past continuous tense. 

2.differentiate the use of “when” and “while” in past continuous tense.

3.understand the difference between the simple past tense and the past continuous tense.

4.learn to use the past continuous tense properly and describe past events with past continuous tense.

【Learning Procedures（步骤）】

Step 1. Look and Say

Step 2.Presentation

1.构成:was/were+doing

思考：什么时候用was? 什么时候用were?

动词现在分词的变化规则:

口诀	规则	例子
直	1.一般情况下，直接在动词之后+ing.	play—             study—
去	2.以不发音的e结尾的动词，去e再加ing.	take—             dance—
双	3.重读闭音节的动词，双写尾字母再加ing.	cut—              swim—
变	4.以ie结尾的动词，把ie变为y再加ing.	lie—           die—         tie—

有些动词通常不用于进行时，主要有（见ppt表格）

2. 句型

① She was eating breakfast at 6 am yesterday.  肯定句: 主语+            +           +其他.

② We weren't watching TV at that time. 否定句: 主语+            +           +           +其他.

③ - Were you playing basketball at that time?   一般疑问句:             +主语+           +其他?

- Yes, we were. / No, we weren't. Yes, 主语+        /        . / No, 主语+         /           .

④ What were you doing at 7:00 last night? 特殊疑问句：           +           +主语+           ?

小试牛刀：句式转换

将句子He was doing his homework.进行句式变化

否定句：                                           

一般疑问句：                                           

特殊疑问句（对划线提问）：                          

3.定义：表示过去某个时刻或某一时间段正在进行或发生的动作。

4.用法

(1) 过去进行时表示过去某一时刻正在进行的动作。时间点可以用介词短语、副词或从句来表示，也可由上下语境暗示。

I                                 breakfast at 7:00 am yesterday.（have）

(2) 过去进行时表示过去某阶段一直在进行的动作。

From 1982 to 1998, she                                       at Yale. （teach）

(3) 过去进行时可用来为一个或一系列动作的发生提供背景。

Everyone                 the coffee. Then a man entered the shop.（enjoy）

Everyone                 the beautiful weather that morning. (enjoy)Some people