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教学课件
教科版英语七年级上册
Unit2 语法专项—— 一般过去时 & 不定代词
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学习目标
1.掌握一般过去时用法、结构与动词变化
2.掌握不定代词分类、用法及辨析
3.能熟练完成填空、句型转换、翻译等题型
4.准确区分一般过去时与不定代词易错点
一般过去时（一）
用法：描述过去发生的动作/状态、历史事件
常见时间标志词：
yesterday（昨天）
last week/year（上周/去年）
… ago（……以前）
just now（刚才）
一般过去时（二）
核心含义：
1.过去发生的动作（已结束）
2.过去持续的状态
3.历史事件/过去经历
be动词过去式
主语 现在时 过去式（肯） 过去式（否）
I/he/she/it am/is was wasn’t
you/we/they are were weren’t
be动词例句
1.I was at home yesterday.
2.They were happy just now.
3.She wasn’t late last Monday.
4.Were you tired then
实义动词过去式-规则
1.一般动词：直接+ed（work→worked）
2.以e结尾：+d（live→lived）
3.辅+y：变y为i+ed（study→studied）
4.重读闭音节：双写+ed（stop→stopped）
实义动词过去式-不规则（高频）
go→went come→came
begin→begann leave→left
meet→met see→saw
know→knew
一般过去时-肯定句
结构：主语 + 动词过去式
例句：
1.He visited the museum yesterday.
2.We began our trip last month.
一般过去时-否定句
be动词：主语+wasn’t/weren’t+…
实义动词：主语+didn’t+动词原形
例句：
1.She didn’t go out last night.
2.They weren’t at school then.
一般过去时-一般疑问句
be动词：Was/Were+主语…？
实义动词：Did+主语+动词原形…？
例句：
1.Did you finish your homework
2.Were they busy yesterday
一般过去时-特殊疑问句
结构：疑问词+did+主语+动词原形…？
例句：
1.What did you do last weekend
2.Where did she go just now
不定代词（一）
定义：指代不确定的人、物、地点
分类：人、事物、地点三类
不定代词-分类表
类别 some- any- every- no-
人 someone anyone everyone no one
事物 something anything everything nothing
地点 somewhere anywhere everywhere nowhere
不定代词-核心用法1
作主语：谓语动词用单数
例句：
1.Everyone likes history.
2.Something is interesting.
不定代词-核心用法2
形容词后置：不定代词+形容词
例句：
1.something special（特别的事）
2.nothing new（没新鲜事）
不定代词-核心用法3
some-vs any-
some-：肯定句
any-：否定句/疑问句
例句：
1.I have something to say.
2.I don’t have anything.
不定代词-核心用法4
every-vs no-
every-：全部、所有
no-：完全否定
例句：
1.Everyone is here.
2.Nobody knows.
一般过去时填空
1.She ____________ (go) to the park yesterday.
2.They ____________ (be) late last week.
3.He ____________ (not see) the film.
4.We ____________ (begin) our lesson at 8.
5.Did you ____________ (meet) him
went
were
didn’t see
began
meet
句型转换
1.I was busy yesterday.（否定句）
2.They played football.（一般疑问句）
3.She visited Beijing.（对地点提问）
4.He didn’t come.（肯定句）
I wasn’t busy yesterday.
Did they play football
Where did she visit
He came.
填空
1.I didn’t find _______________ (任何东西) there.
2._______________ (每人) likes this book.
3.There is _______________ (特别的事) today.
4.He went _______________ (某处) beautiful.
anything
Everyone
something special
somewhere
改错
1.Everyone are happy.
2.Did you saw him
3.I go to school yesterday.
4.something interesting
are→is
saw→see
go→went
（无错）
句子翻译
1.我昨天去了历史博物馆。
2.他上周很忙。
3.房间里没有特别的东西。
4.所有人都喜欢历史故事。
I went to the history museum yesterday.
He was very busy last week.
There is nothing special in the room.
Everyone likes history stories.
易错小结
1.过去时：did+动词原形，was/were别混淆
2.不定代词：形容词后置，谓语用单数
3.some-肯/any-疑否，别用错
总结（一）
1.一般过去时：过去动作/状态，动词变过去式
2.否定/疑问：实义动词用did+原形
3.不定代词：人/物/地点，形容词后置
总结（二）
做题口诀：
过去时间→一般过去时
不定代词：some肯any疑否，every全no否
教学课件
Unit2 语法专项—— 一般过去时 & 不定代词
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