当主语为第三人称单数(he, she,it)时，要在动词后加或。如：Mary likes Chinese.玛丽喜欢汉语。
【No. 2】一般现在时的变化
1. be动词的变化。 否定句：主语 be not 其它。如：He is not a worker.他不是工人。 一般疑问句：Be 主语 其它。如：-Are you a student?
-Yes. I am. / No, I\'m not
非凡疑问句：疑问词 一般疑问句。如：Where is my bike? 2.行为动词的变化。否定句：主语 don\'t( doesn\'t ) 动词原形( 其它)。如： I don\'t like bread.当主语为第三人称单数时，要用doesn\'t构成否定句。如：He doesn\'t often play. 一般疑问句：Do( Does ) 主语 动词原形 其它。如： - Do you often play football?
- Yes, I do. / No, I don\'t.
当主语为第三人称单数时，要用does
构成一般疑问句。如：- Does she go to work by bike?
- Yes, she does. / No, she doesn\'t.
二、用括号内动词的适当形式填空。
1.He often ________(have) dinner at home.
2.Daniel and Tommy _______(be) in Class One.
3.We _______(not watch) TV on Monday.
4.Nick_______(not go) to the zoo on Sunday.
5.______they______(like) the World Cup? 6.What_______they-often_______(do) on Saturdays?
7. _______ your parents_______(read) newspapers every day?
8.The-girl
_______(teach) us English-on-Sundays. 9. She and I ________(take) a walk together every evening.
10.There________(be) some water in the bottle.
11.Mike_______(like) cooking.
12.They_______(have) the same hobby. 13.My-aunt_______(look) after her baby carefully.
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动词 s的
变化规则 1．一般情况下，直接
加-s，如：cook-cooks, milk-milks
2．以s. x. sh. ch. o
结尾，加-es，如：guess-guesses, wash-washes, watch-watches, go-goes
14.You always _______(do) your homework well.
15. I _______(be) ill. I’m staying in bed. 16.She_______(go) to school from Monday to Friday. 17.Liu_Tao_______(do) not like PE.
18. The child often _______(watch) TV in the evening.
19. Su Hai and Su Yang_______(have) eight lessons this term.
20. －What day _______(be) it today? － It’s Saturday
词ing?
动词加ing的变化规则
1．一般情况下，直接加ing，如：cook-cooking 2．以不发音的e结尾，去e加ing，如：make-making, taste-tasting 3．假如末尾是一个元音字母和一个辅音字母，双写末尾的辅音字母，再加ing，如：run-running, stop-stopping 现在进行时
专项练习：一、
写出下列动词的现在分词：
play___run_____swim___make___
go____like______write____ski_____ read____have___sing___dance___ put____see_____buy____love____ live____take____ come____get____ stop____sit ____ begin____shop__ 二、用所给的动
3．以“辅音字曾玲专
用母 y”结尾，变y为
i, 再加-es，如：study-studies
三、现在进行时
1．现在进行时表示现在正在进行或发生的动作，也可表示当前一段时间内的活动或现阶段正在进行的动作。 2．现在进行时的肯定句基本结构为be 动词ing.
3．现在进行时的否定句在be后加not。 4．现在进行时的一般疑问句把be动词调到句首。
5．现在进行时的非凡疑问的基本结构为：疑问词不达意 be 主语 动词ing.
但疑问词当主语时其结构为：
疑问词不达意 be 动
一般现在
时用法专练:
一、写出下列
动词的第三人称单数
drink_____go____ stay____make _____ look______have___pass___ carry ____ come____watch____ plant____fly_____ study____brush____do____teach____ wash_______
词的正确形式填空：
1.The-boy _____ (draw)a picture now.
2. Listen .Some girls_____ (sing)in the classroom .
3.My-mother_______ ( cook )some nice food now.
4. What _____ you ______ ( do ) now? 5.Look .They_____( have) an English lesson .
6.They_____(not ,water) the flowers now. 7.Look! the girls _____(dance )in the classroom . 8.What is our granddaughter doing? She______(listen ) to music.
9. It’s 5 o’clock now. We_______(have)supper now
10.______Helen_______(wash )clothes? Yes ,she is .
二、基本结构：①be going to do； ②will do. 三、否定句：在be动词（am, is, are）l后加not或情态动词will后加not成won’t。 例如：I’m going to have a picnic this afternoon.→ I’m not going to have a picnic this afternoon. 四、同义句：be going to = will I am going to go swimming tomorrow（明天）. = I will go swimming tomorrow. 练习： 填空。 1. 我打算明天和朋友去野炊。 I_____ _______ _________ have a picnic with my friends. I ________ have a picnic with my friends. 2.我们将要学习英语 We _____、______ _________ learn English.
We ________ learn English. 五、一般过去时 1．一般过去时表示过去某个时间发生的动作或存在的状态，常和表示过去的时间状语连用。一般过去时也表示过去经常 或反复发生的动作。 2．Be动词在一般
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过去时中的变化： ⑴am 和is在一般过去时中变为was。（was not=wasn’t） ⑵are在一般过去时中变为were。（were not=weren’t） 3．句中没有be动词的一般过去时的句子
否定句：didn’t 动词原形，如：Jim didn’t go home yesterday. 动词过去式
run-ran, sing-sang, put-put,
make-made,read-read, write-wrote, draw-drew,drink-drank, swim-swam, sit-sat