Be动词用法口诀

Be有am,is,are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

变问句be提前，句尾问号要配全（） 应用时多注意缩写形式要牢记：

I'm=Iamyou're=youarehe's=heisshe's=sheisit's=itis we're=weareyou're=youarethey're=theyare...... 你还能想出其他的含有be动词的缩写形式吗

相关练习衔接

一、用be动词的适当形式填空

Partone:

1. I______anEnglishteachernow. 2. They_______gladtoseeeachother. 3. HelenandNancy________goodfriends. 4. Thelittledog_____twoyearsoldthisyear. 5. Look,there________lotsofgrapeshere. 6. There________asignonthechaironMonday.

用恰当的be动词填空。 'ssister. . . . . .

. . . . . . .

'sshirt_______overthere. 'sname______Nancy. 'spencil. . . .

,twogirls,threemenandtenwomeninthepark. ,heandI______fromChina.

二、句型转换：

.(分别改成一般疑问句和否定句)

____________________________________________________________ ____________________________________________________________

2．Thestudentsarecleaningtheclassroom.(改一般疑问句并作肯定和否定回答) ____________________________________________________________

____________________________________________________________

3.Tomisunderthetree.（变为否定句）

4.Themouse’steetharesharp.（变一般疑问句并作肯定回答） 5.Theskateboardsareblack.(改成否定句) .(意思不变，改否定句)

.(改为一般疑问句，作否定回答).