新标准小学英语三年级语法be动词用法及疑问句和时态

小学语法总结（1）1.be动词用法2.疑问句（一般，特殊）3.时态（现在，过去，将来）课前小复习1.________(我)amateacher.

2.Myfatheristalkingwith_______(我).

3._______(他)oftenplaysbasketballafterschool.

4._______(他的)teacherisgood.

5._______(我们)buyapieceofpaperforhim.

6.Pleasepass_____(你们)theball.

7._______(他们)arelisteningtotheradio.

8.Thisis_______(我的)book.

9.____(她的)appleisred.____(我们的)appleisyellow.

10.__________(你们的)flatissmall.

11.____(她)oftenflyakiteafterschool.

12._______(他的)teacherisnice.ImeHeHisWeyoutheymyHerourYourSheHis小学易混语法总结（1）1.Be动词用法2.疑问句（一般，特殊）3.时态（现在，过去，将来）❶

be动词的用法beamisarewaswerebe动词的种类be动词包括“am”,“is”,“are”三种形式。那请问，什么时候用am?什么时候用is？什么时候用are呢？谁会，快举手！be动词的种类“am”,“is”,“are”第一人称单数(I)配合am来用。句型：Iam+…Iamclever.Iamastudent.Iamaboy.我是……记笔记：一、be:am,is,are/was,were①Iam+……Iamacleverboy.缩写：I’macleverboy.be动词的种类第二人称(You)配合are使用。句型解析：Youare+…YouareinLondon.Youaretallnow.Youarebeautiful.你是……/你们是be动词的种类人称复数(we

/you/they)配合are使用。句型解析：We

(You,They)are+……We

are

inClass5,Grade7.Theyaremyfriends.You

are

goodstudents.我们是……（你们是…，他们是）接着记笔记：②Youare+…你是

You

area

goodstudent.缩写：You’re

agoodstudent.③Youare+…你们是

You

are

goodstudents.缩写：You’re

goodstudents.接着记笔记：④Weare+…我们是

We

areverynice.缩写：We’reverynice.⑤Theyare+…他（她，它）们是

They

are

happynow.缩写：They’re

happynow.be动词的种类第三人称单数(HeorSheorIt)配合is使用。句型解析：She(He,It)is+……Heisagoodboy.Sheisverycute.Itisverylong.接着记笔记：⑥Heis+…他是

Heisveryloud.缩写：He’sveryloud.⑦Sheis+…她是

Sheisa

bitquiet.缩写：She’sa

bitquiet.⑧Itis+…它是

Itisa

tiger.缩写：It’sa

tiger.还剩哪两个单词的用法没讲呀？waswerebe动词的种类在过去时中，am和is变成was也就是说，was和第一人称(I)，第三人称单数(he,she,it)配合are使用。句型:Iwasfatthen.NowI’mthin.HewasinHongKong.Shewasveryyoung.Itwasonthefirstfloor.接着记笔记：⑨（过去时）I/He/She/Itwas+…Iwasfatthen.NowI’mthin.HewasinHongKong.Shewasveryyoung.Itwasonthefirstfloor.be动词的种类在过去时中，are变成were,也就是说：were与第二人称单数(you)和复数人称(they)配合使用。句型：Howoldwereyou?Theywereveryyoung.接着记笔记：⑩（过去时）You/Theywere+…

Howoldwereyou?Theywereveryyoung.例题：选用be动词适当形式填空：1. You_____tallnow.2.He____inShanghaiyesterday.be动词的适当形式都有哪些呢？am,is,are,was,werearewas那请问，你是根据什么选择的呢？综合解析,接着记笔记当使用be动词的时候，前面请先加上第几人称。第一人称：单数：I，复数：we第二人称：单数：you，复数：you第三人称：单数：he,she,it，复数：theybe动词前面的人称，是不可随意替换的。例如：Iam,Youare,Sheis，并不会出现Iis,Youam,Sheare这样的情形。接着记笔记be动词与人称具体搭配：be:am,is,are/was,were①Iam+…Iamacleverboy.（第一人称单数）②Youare+…You

area

goodstudent.（第二人称单数）③Youare+…You

are

goodstudents.

（第二人称复数）④Weare+…

We

areverynice.

（第一人称复数）⑤Theyare+…They

are

happynow.

（第三人称复数）⑥Heis+…Heisveryloud.

（第三人称单数）⑦Sheis+…Sheisa

bitquiet.

（第三人称单数）⑧Itis+…Itisa

tiger.

（第三人称单数）⑨（过去时）I/He/She/Itwas+…Iwasfatthen.NowI’mthin.（am→wasis→was

）

HewasinHongKong.Shewasveryyoung.Itwasonthefirstfloor.⑩（过去时）You/Theywas+…

Howoldwereyou?（are→were

）

Theywereveryyoung.记笔记：Be的用法口诀：

我(I)用am你(you)用areis连着他(he)她(she)它(it)我们(we)你们(you)他们(they)要用are单数名词用is复数形式要用aream,is,are,was,were怎么变成否定的呢？IamfromLondon.（把这句话变成否定句）

IamnotfromLondon.Myhairwaslongthen.

（把这句话变成否定句）Myhairwasnotlongthen.

归纳：在有be动词的句子中，改否定句时只要在be动词______加上_____。后面

not

记笔记：记笔记：Be的用法口诀：

我(I)用am你(you)用areis连着他(he)她(she)它(it)我们(we)你们(you)他们(they)要用are单数名词用is复数形式要用are变否定真容易be后not为标记缩写I'm=Iamyou're=youarehe's=heisshe's=sheisit's=itiswe're=weareyou're=youarethey're=theyare......

应用时多注意缩写形式要牢记：I'm=Iamyou're=youarehe's=heisshe's=sheisit's=itiswe're=weareyou're=youarethey're=theyare......

Be的用法口诀

我(I)用am你(you)用areis连着他(he)她(she)它(it)我们(we)你们(you)他们(they)要用are单数名词用is复数形式要用are

变疑问，往前提，句末问号莫丢弃。

变否定，更容易，be后not莫忘记。

疑问否定任你变，句首大写莫迟疑。

应用时多注意缩写形式要牢记：I'm=Iamyou're=youarehe's=heisshe's=sheisit's=itiswe're=weareyou're=youarethey're=theyare......

be动词练习题一、用be动词的适当形式填空

She____tallnow.2.They_____happynow.3.Hishair____longthen.4.JackandLisa

______friendsthen.5.I_____inmyroomnow.am,is,are,was,wereis

are

was

were

am二、用be动词的适当形式填空

They____intheplaygroundnow.2.He_____inShanghaiyesterday.3.Howold____youthen?4.Myhair

______longnow.5._____Ishort?am,is,are,was,werearewas

were

is

Am

be动词小考试考试：用be动词的适当形式填空____ithighnow?2.We_____inChinanow.3.She____veryyoungthen.4.LinglingandSmart

______friendsthen.5.I_____inmyflatnow.1.

___2.___3.___4.___5.___am,is,are,was,wereIs

are

was

were

amIs

are

was

were

am－TheEnd－下课!

❷

一般疑问句与特殊疑问句Areyouonthesecondfloor?Howmanypeachesarethere?疑问句疑问句有多种形式，我们这里只学最简单的一般疑问句和特殊疑问句。什么样的是疑问句呢？谁会，快举手！一般疑问句记笔记：二、一般疑问句1.(1)Is

DamignaughtyinClass?

(2)Willyouphoneme?

(3)Doeshegotoschooleveryday?主要由be动词、情态动词或助动词来开头。在一般疑问句的句尾朗读时用升调(↗)。一般疑问句Youareonthesecondfloor.Areyouonthesecondfloor?如何变一般疑问句？记笔记：2.带有be的句子，变一般疑问句方法：把be动词（am,is,are,was或were）调到句首。并把首字母变成大写，结尾加上句号，就成功了！一般疑问句IsLucyonthesecondfloor?肯定回答：Yes,sheis.如何回答一般疑问句呢？一般疑问句IsLucyonthesecondfloor?肯定回答：Yes,sheis.否定回答：No,sheisn’t.如何回答一般疑问句呢？特殊疑问句快在书上找，找到就举手：20页：Howmanypeachesarethere?32页：Wherearethevegetables?什么样的是特殊疑问句呢？特殊疑问句记笔记：三、特殊疑问句：1.以疑问词开头:what,who,when,where,how,howmany,howmuch,howold,等等。

(1)What’stheweatherlike?(2)Howoldareyou?(3)Whereareyoufrom?(4)Whoishe?(5)Howareyou?(6)Howmanypeachesarethere?一般说来特殊疑问句在句尾朗读时用降调(↘)。特殊疑问句的回答形式2.必须用一个完整的陈述句来回答。例如：

(1)What’stheweatherlike?

回答：It’ssunny.

(2)Howoldareyou?回答：Iamten.

(3)Wherearethevegetables?回答：Itishere.疑问句练习题一、变一般疑问句，并写出肯定回答和否定回答。

She’sverynice.____________________________

____________________________

2.Hewillbeanastronaut.____________________________

____________________________

3.Heworkshard.____________________________

____________________________

Issheverynice?Yes,sheis.No,sheisn’t.Willhebeanastronaut?Yes,hewill.No,hewon’t.Doesheworkhard?Yes,hedoes.No,hedoesn’t.二、用疑问词填空____arethevegetables?2.________peachesarethere?3._________wereyouthen?4.______otherfruitwillwepick?5._____isParrotlike?what,who,when,where,how,howmany,howmuch,howoldwhereHowmany

HowoldWhat

What

32页20页

26页

18页

3页疑问句小考试一、变一般疑问句，并写出肯定回答和否定回答。He’sverynaughty.____________________________

____________________________

2.Lucywillbeapoliceman.____________________________

____________________________

二、用疑问词填空____arethefruits?2.________pearsarethere?3._________areyounow?4.______otherfruitwilltheypick?5._____isDaminglike?what,who,when,where,how,howmany,howmuch,howold－TheEnd－下课!

❸

时态（现在，过去，将来）时态基本时态：现在，过去，将来Theyareveryyoung.是什么时态？谁会，快举手！时态记笔记：四、过去时：1.Be动词在一般过去时中的变化：am--wasis--wasare--wereTheywereveryyoung.（过去时）时态Youareonthesecondfloor.Youwereonthesecondfloor.如何变成过去时？