谢孟媛初级文法讲义最新全集(3)

时间:2025-07-10

一般动词的否定句--------不可在一般动词后加 not 必须用助动词 do / does Do 用于主语 为 I . you 复数

Does 用于主语 为第三人称单数,

否定句主语+ do/ does + not + 原型动词

例如1. The twin brothers go to school by bus.这对双胞胎是乘公交车上学的。 改成否定 the twin brothers do not go to school by bus Don‘t

2. Sam has dinner at the restaurant . Sam 在那家餐厅吃晚餐。 改成否定句 Sam doesn't have dinner at the restaurant. 比较------否定句

Be 动词 He is my boyfriend He isn't my boyfriend 一般动词-- He likes dogs

He doesn‘t like dogs

一般动词的疑问句---不能将一般动词放在主语前,必须用助动词do/ does 疑问句 Do / Does + 主语 + 动词原型。 例如1. You visit your grandmother on Sunday.

改成疑问句Do you visit your grandmother on Sunday? 你每逢星期天去看你的外婆吗 例如2. He come from England

改成疑问句 Does he come from england 他是来自英国吗?

助动词do/ does 开头的疑问句回答用yes/no之后用do/ does 回答 例如 Does the little boy go to school. 这个小男孩已经上学了吗? Yes he does . No, he doesn‘t 比较-----疑问句

Be 动词----- She is beautiful Is she beautiful? 一般动词-----she loves tennis

Does she love tennis?

Unilt 3 be 动词一般动词的过去式

1. be 动词的过去式 was / were am/ is= was are /were 过去时be 动词的动词表示过去时间中发生的状态 例如 1. 现在式 He is busy now.

2. 过去式 He was busy then 那时他很忙。 时间副词改变,动词也必须改变。

例如 1.现在式 My parents are at home now。我的父母现在在家。 2.过去式My parents were at home yesterday.我的父母昨天在家 Be 动词(过去式)的否定句----主语+ was / were +not

例如 1. Mr brown was a vet 否定 Mr brown wasn‘t a vet .

2.Joe and brian were in the living room at that time 否定 Joe and brian weren‘t in the living room at that time , Be动词过去式的疑问句 was / were + 主语

例如 1. wendy was in the seventh grade last year. Wendy去年读7年级。 疑问句 was wendy in the seventh grade last year?

例如 Were you a pianist? Piano 钢琴 pianist钢琴家。 Yes , I was. No. I wan‘t

.2. 一般动词的过去式----规则变化/ 不规则变化 规则变化-----ed d ld

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