小学英语一般过去时完整课件

future
学习交流PPT
3
动词过去式 的构成
规则动词
regular verbs
不规则动词
irregular verbs
学习交流PPT
4
规则动词 过去式的构成
学习交流PPT
5
1、一般在动词末尾加– ed
look Walk paint play
look ed Walked painted play ed
• (二) 不规则变化
男人女人 a 变 e，鹅(goose)足(foot)牙(tooth) oo 变 ee；
老鼠(mouse)虱婆(louse)也好记，ous 变 ic；
孩子加上 ren，鱼鹿学绵习交羊流不PPT用变。
1
一般过去时的用法与结构详解
学习交流PPT
2
时态和时间
• 表示：
past now
put→put (放下） let→let（让） cut → cut（砍，剪） read→read（读）
学习交流PPT
11
2.把元音字母变成“a”
come give Become
came（掌握） gave became
drink begin
drank（了解） began
学习交流PPT
12
剩余不规则动词
stop Pat
stopped Patted (掌握)
学习交流PPT
8
4. 以“辅音字母+y”结尾的词，
先变“y”为“i”再加—ed
study
studyied
Worry
Worryied
Early
Earlyied
Happy
Happyied
学习交流PPT
9
不规则动词 过去式的构成
学习交流PPT
10
1.过去式与原形一样(了解)
肯定句： He was ill yesterday. 否定句：He was not ill yesterday.
肯定句：The cat ate a bird last night. 否定句：The cat didn’t eat a bird last night.
学习交流PPT
19
一般过去时的 一般疑问句
一般过去时 肯定句变否定句
学习交流PPT
15
Be动词类 • 否定句
实义动词类
学习交流PPT
16
1． （be动词类）在表示过去存在的状态 的句子中在was, were的后面加上not。
如： 肯定句：
He was in the park the day before yesterday. 否定句： →He was not in the park the day before yesterday.
的状态，常和表示过去的时间状语连用。 Yesterday(昨天)，
last night（昨天晚上）， last week (上周) Last Sunday（上周日） in 1990
just now （刚才）, long long ago（很久以前）
学习交流PPT
22
• （2）They were in Li Yan’s home last night.
学习交流PPT
20
1.把was, were放在句首，其余位 置不变。
（1） He was born in Shanghai.
→ Was he born in Shanghai? (一般疑问句)
→Yes, he was. (肯定回答) →No, he wasn’t. (否定回答)
学习交流PPT
21
一般过去时 1．一般过去时表示过去某个时间发生的动作或存在
• → Were they in Li Yan’s home last night? • （一般疑问句）
• →Yes, they were. (肯定回答) • →No, they weren’t. (否定回答)
学习交流PPT
23
一般过去时一般疑问句及其肯否 定回答 练习题
1. They had a good time in the park.
（掌握）
clean Visit Want cough watch
cleaned Visited Wanted coughed watched
学习交流PPT
6
2、结尾是 e 的动词只加 -- d (了解)
live hope use
lived hoped used
学习交流PPT
7
3.重读闭音节词， 先双写这个辅音字母，再加—ed
学习交流PPT
13
剩余不规则动词表 Infinitive Past Tense Infinitive Past Tense
am, is are do
go have make get
was were did
went had made got
eat
ate
say said
see saw
Βιβλιοθήκη Baidu
学习交流PPT
14
肯定句：
We were busy last week.
否定句：
→We were not busy last week.
学习交流PPT
17
2．（行为动词类）要在行为动词的前面加助动词didn’t. 然后把动 词过去式改为动词原形。 即：didn’t + 动词原形
肯定句： She played the violin last night.
一般疑问句： Did they have a good time in the park?
肯定/否定回答： Yes, they did. No , they didn’t.
学习交流PPT
24
2. Ann did her homework yesterday evening.
名词变复数变化规则
• (一) 规则变化 名词单数变复数，直接加 -s 占多数； s, x, z, ch, sh 来结尾，直接加上 -es； 词尾是 f 或 fe，加 -s 之前先变 ve； 辅母 + y 在词尾，把 y 变 i 再加 -es； 词尾字母若是 o，常用三个已足够， 要加 -es 请记好，hero, tomato, potato。
否定句： →She didn’t play the violin last night.
肯定句： They swam in the lake yesterday.
否定句： →They didn’t swim in the lake yesterday.
学习交流PPT
18
一般过去时否定句练习
肯定句: They made a kite a week ago. 否定句：They didn’t make a kite a week ago.