初一下册三种时态学习.doc

初一下册英语时态学习
在英语中，不同时间发生的动作或存在的状态要用不同的动词形式来表现。
时态关键体现在什么词性？_____________
本课学习目标：
每种时态的概念、标志词、结构、句式变化、以及某些时态间的相互区别及转换。
一、 目前我们学习了三种时态，它们是：
_____________________

_____________________

_____________________
二、 每种时态的标志词有：
1、 现在进行时：__________________________________________________

2、 一般现在时：__________________________________________________

3、 一般过去时: __________________________________________________
三、 句式变化：
1， 变一般疑问句：
① 首先看有无be动词，如果有，将be提到句首并大写，句末打问号.
It was great. Was it great?
Lions are really scary. Are lions really scary?
② 如果没有be动词，看原句的动词形式来决定借用助动词do/does/did,
并且行为动词要还原。
I have a basketball. Do you have a basketball?
Mary has a basketball. Does Mary have a basketball?
Mary had a good weekend. Did Mary have good weekend?

2, 变否定句：
①首先看有无be动词，如果有，在be 动词后面加not.
It was great. It wasn’t great.
Lions are really scary. Lions are’t really scary.

②如果没有be 动词，看原句的动词形式来决定借用助动词do/does/did,并在后面加not,并且行为动词要还原。
I have a basketball. I don’t have a basketball.
Mary has a basketball. Mary doesn’t have a basketball.
Mary had a good weekend. Mary didn’t have a good weekend.
四、 不同的时态中动词使用的不同形式：

现在进行时中动词的形式：

Be用 _____ _______ _______
一般现在时中动词的形式：
实义动词用 _______ _________

(动词三单的构成：)

Be 用_______ _________
一般过去时中动词的形式
实义动词 用 __________________

动词过去式的构成

表格对比学习

对比

时态
构成
否定句
一般问句
现在进行时

一般现在时

一般过去时

练习巩固：
一、判断时态形式：（并且圈出关键词,划出动词）
A.现在进行时 B.一般现在时 C.一般过去时
1. He always likes playing the piano.( )
2. We are having an English classes now.( )
3. They often go home late.( )
4. Lucy danced the disco at the party last night.( )
5. I liked go to the zoo when I was young.( )
6. My teacher is friendly to us.( )
7. Look! They are playing football.( )
8. She was born in 1990.( )
9. I lost much money last night.（ ）
二、词形转换：
写出下列单词的现在分词：
have - look - begin- use- shop-
get- dance- study-
写出下列单词的三单：
study- finish- have- go-
do- play- watch- give-
三、写出下列单词的过去式：
need- stop- hope- play-
try- plan- visit- like-
五、 句形变换：先一般疑问句，再否定
1， He is a teacher.

2， Kangkang comes from China.

3， I usually take the bus to school.

4， They are having classes.

5， Jane played the guitar last weekend.

6， It was rainy yesterday.

7， You weren’t happy this morning.

六、用所给词的适当形式填空：
1. Listen! Mary _________ ( sing) now.
2. A young man __________ (run) on the playground now.
3. My mother _________(watch) TV play every day.
4. Old Bush ________(visit) China again last month.
5. I ______ (play) sports three times a day.
6. Look! Lucy and Lily __________(read) books.
7. There _______(is) a football match yesterday afternoon.
8. Our class ______( go) to the zoo three days ago.