初中英语语法——一般现在时知识点总结归纳.pdf

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初中英语语法——一般现在时知识点总结归纳

一般现在时——表示一般性，经常性的动作或一般性事实。
概念:表示经常发生的动作或经常存在的状态。
常和 always , often , usually , sometimes , every day 等
表时间的状语连用。
如：1) I go to school every day . 我每天都去学校。(表
经常)
2) He is always like that . 他总是那样。(表状态)
构成：1) 主语 + be (am / are / is ) +……
2) 主语 + 实义动词/三单动词 + …

【解析】
1、含有 be 动词的句子
He is a teacher.
The girl is very beautiful.
Tim and Jack are students.
★变疑问句将 be 动词移到句首
Is he a teacher?
Is the girl very beautiful?
Are Tim and Jack students?
★变否定句在 be 动词后面加 not
He is not a teacher.
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我尽一杯，与君发三愿：一愿世清平，二愿身强健，三愿临老头，数与君相见。——《白居易》
人人好公，则天下太平；人人营私，则天下大乱。——刘鹗
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The girl is not very beautiful.
Tim and Jack are not students.
★肯定回答及否定回答
Yes, he is. / No, he is not.
Yes, she is. / No, she is not.
Yes, they are. / No, they are not.
2、不含有 be 动词的句子，即含有一般动词的句子。
(1)第三人称单数及单数名词
He likes books.
She likes him.
The dog likes bones.
★变疑问句在句首加 does, 动词变为原型
Does he like books?
Does she like him?
Does the dog like bones?


★变否定句在主语及动词之间加 doesn't, 动词变为原
型，原句中的动词不再有第三人称变化。
He doesn't like books.
She doesn't like him.
The dog doesn't like bones.
★肯定回答及否定回答：
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人不知而不愠，不亦君子乎？——《论语》
老当益壮，宁移白首之心；穷且益坚，不坠青云之志。——唐·王勃
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Yes, he does. / No, he doesn't.
Yes, she does. / No, she doesn't
Yes, it does. / No, it doesn't.
注意：第三人称单数形式一般在动词后面加 S，不要和名
词复数混淆，变否定句或疑问句时名词复数没有任何变化。
(2)其他人称及复数名词
I want to have a bath.
We have some meat.
The students like smart teachers.
★变疑问句在句首加 do
Do you want to have a bath?
Do we have any meat?
Do the students like smart teachers?
★变否定句在主语和动词之间加 don't.
You don't want to have a bath.
We don't have any meat.
The students don't like smart teachers.
★肯定回答及否定回答
Yes, I do. / No, I don't.
Yes, we do. / No, we don't
Yes, they do. / No, they don't.


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古之立大事者，不惟有超世之才，亦必有坚忍不拔之志。——苏轼