初一英语上册语法知识点整理.docxVIP

初一英语上册语法知识点整理

GrammarPointsofGrade7EnglishTextbook

Usageoftheverb"be"(is,am,are)

Iuse"am",youuse"are",and"is"isusedwithhe,she,it.Singularnounsuse"is",whilepluralnounsalluse"are".Tomakeitnegative,simplyadd"not"after"be".Toformaquestion,movetheverbtothefrontanddon'tforgetthequestionmarkattheend.Also,remembertocapitalizethefirstletterofthesentence.

Usageof"this","that"and"it"

1."This"and"that"aredemonstrativepronouns,while"it"isapersonalpronoun.

2.Use"this"forpeopleorthingsclosertothespeakerand"that"forthosefartheraway.Forexample:

Thisisaflower.(nearby)

Thatisatree.(faraway)

3.Whenmentioningtwothingstogether,use"this"firstandthen"that".Forexample:

Thisisapen.Thatisapencil.

4.Whenintroducingsomeonetoothers,use"Thisis..."insteadof"Thatis...".Forexample:

ThisisHelen.Helen,thisisTom.

5."Thisis"cannotbecontracted,but"Thatis"canbe.Forexample:

Thisisabike.That'sacar.

6.Whenmakingaphonecall,use"this"tointroduceyourselfand"that"toinquireabouttheotherperson.Forexample:

-Hello!IsthatMissGreen?

-Yes,thisis.Who'sthat?

7.Whenansweringaquestionwith"this"or"that"asthesubject,use"it"instead.Forexample:

-Isthisanotebook?

-Yes,itis.

-It'sakite.

Usageof"these"and"those"

1.Thisismybed.ThatisLily'sbed.

2.Thesepicturesaregood.

3.Arethoseappletrees?

在回答主语是these或those的疑问句时，通常用they代替these或those以避免重复。如：

④Arethese/thoseyourapples?这些(那些)是你的苹果吗?

Yes,theyare.是的，他们是。

名词+’s所有格

单数名词后直接加“’s”：

Jim’scoat吉姆的外套Jeff’smother杰夫的妈妈

以s结尾的复数名词，只加“’”

Teachers’Day教师节thetwins’books双胞胎的书

不以s结尾的不规则的名词复数，加“’s”

Children’sDay儿童节men’sshoes男式鞋

表示两者共同拥有时，只在最后一个名词后加’s

LucyandLily’smother露茜和莉莉的妈妈(共同的妈妈，一个妈妈)

表示两者各自拥有时，要在每个名词后加’s

Lucy’sandKate’srooms露茜和凯特的房间(各自的房间，两间房子)

Therebe句型

(1)Therebe句型主要用以表达“某处(某时)有某人(某物)。”其基本结构为“Therebe+某物(某人)+某地(某时)”其中there是引导词，没有词义;主语是be后面的名词，be是谓语动词，在一