Unit 2 We’re Family 语法讲义 2026-2027学年人教版英语七年级上册
新人教版七上Unit2 We’re Family语法讲义
实义动词have的一般现在时(主谓一致、句型转换)
1.核心知识点
本单元重点掌握实义动词 have(拥有,有) 在一般现在时当中的4种句型:肯定句、否定句、一般疑问句、简短回答。 区分两大主语类别:非第三人称单数主语、第三人称单数主语。
2.非第三人称单数主语(I/you/we/they/复数人名)
谓语动词用原形have。
(1)陈述句(肯定)
结构:主语 + have + 其他 例句:I have a nice bag. 我有一个漂亮的包包。
(2)变为一般疑问句
规则:句首加助动词 do,动词保持原形have,句末问号。 结构:Do + 主语 + have +其他?
- 肯定回答:Yes, 主语 + do.
- 否定回答:No, 主语 + don’t.(don’t = do not)
例句1:I have a blue pen. 一般疑问句:Do you have a blue pen? 肯定回答:Yes, I do. 否定回答:No, I don’t.
例句2:We have three family photos. 一般疑问句:Do you have three family photos? 肯定回答:Yes, we do. 否定回答:No, we don’t.
例句3:They have ten computers. 一般疑问句:Do they have ten computers? 肯定回答:Yes, they do. 否定回答:No, they don’t.
例句4:Mary and Jack have a big house. 一般疑问句:Do Mary and Jack have a big house? 肯定回答:Yes, they do. 否定回答:No, they don’t.
(3)变为否定句
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规则:主语后面,实义动词前加 don’t,动词用原形have。 结构:主语 + don’t + have +其他
例句1:I have a basketball. 否定句:I don’t have a basketball.
例句2:We have brothers and sisters. 否定句:We don’t have brothers and sisters.
例句3:They have schoolbags. 否定句:They don’t have schoolbags.
例句4:Mary and Jack have a big house. 否定句:Mary and Jack don’t have a big house.
例句5:My friends have desks. 否定句:My friends don’t have desks.
3.第三人称单数主语(he/she/it/单数人名/单数名词)
谓语动词要变为 has。
(1)陈述句(肯定)
结构:主语 + has +其他 例句:He has a nice bag. 他有一个漂亮的包。
(2)变为一般疑问句
规则:句首加助动词 Does,后面动词要还原为have,句末问号。 结构:Does +主语 + have +其他?
- 肯定回答:Yes, 主语 + does.
- 否定回答:No, 主语 + doesn’t.(doesn’t = does not)
例句1:He has a basketball. 一般疑问句:Does he have a basketball? 肯定回答:Yes, he does. 否定回答:No, he doesn’t.
例句2:Mary has brothers or sisters. 一般疑问句:Does Mary have brothers or sisters? 肯定回答:Yes, she does. 否定回答:No, she doesn’t.
例句3:My friend has a book. 一般疑问句:Does your friend have a book? 肯定回答:Yes, he/she does. 否定回答:No, he/she doesn’t.
(3)变为否定句
规则:主语后面,实义动词前加 doesn’t,动词还原为have。 结构:主语 + doesn’t + have +其他
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