文档介绍：: .
at the dog .
is our granddaughter doing? She _________(drink ) water.
9. It’s 5 o’clock now. We _____________(have)supper. now
(wash )clothes? Yes ,she is
.
三、句型转换：
1. They are doing housework .(分别改成一般疑问句和否定句)
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2．The students are cleaning the classroom . ( 改一般疑问句并作肯定和否定回答)
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3．I’m playing the football in the playground .(对划线部分进行提问)
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4．Tom is listening . (改为否定句)
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一般现在时
（unit2）
一．意义
、状态。如：The sky is 。
。如：I get up at six every 。
2 / 。如：The earth goes around the 。
动词的变化。
肯定句：主语+be(am,is,are)+其它。如：I am a 。
否定句：主语+ be + not +其它。如：He is not a 。
一般疑问句:Be +主语+其它。如：-Are you a student? -Yes. I am. / No, I'm not.
特殊疑问句：疑问词+一般疑问句。如：Where is my bike?
2. 行为动词的变化。
①当主语为第一，二人称及复数时，助动词为 do
肯定句：主语+动词原形(+其它)。如： We often play basketball after school.
否定句：主语+ don't+动词原形(+其它)。
如：we don’t play basketball after school.
一般疑问句：Do +主语+动词原形+其它?
如： Do you often play basketball after school l? Yes, we do. / No, we don't.
特殊疑问句：疑问词+以 do 开头的一般疑问句?
如： What do you often do after school ?
②当主语为第三人称单数时 ,助动词为 does
肯定句：主语+动词三单式(+其它)。如： He swims well.
否定句：主语+ doesn’t+动词原形(+其它)。如：He doesn’t swim well..
一般疑问句：Does +主语+动词原形+其它。
如：Does he swim well ? Yes, he does. / No, he doesn'