七年级一般现在时讲解及练习(精).doc

一般现在时讲解与练习一、一般现在时的定义： （1）表示平时经常发生的事情 （2）表示现在的状态如果问同学们你们每天都在干什么？你们会回答：如果问你喜欢英语吗？你会回答：这时我们会用到一般现在时二、将下列主语和谓语动词划出来例子： I do my homework in the evening.1. We have dinner at school.2. She likes pears.3. I go to school at half past six.4. He always jeans and trainers.5. Damings uncle likes reading and he reads a lot of novels and magazines.总结：当主语为第三人称单数时，谓语动词会发生怎样的变化？三、将下列动词变为第三人称单数形式eat get tay have do go like play buy watch make finish live read listen drink swim run变法有以下几种情况：（一）一般动词（二）以s,x,sh,ch,辅音字母+o结尾的动词（三）以y结尾的动词有两种情况 A 以元音字母+y结尾的 B 以辅音字母+y结尾的（四）特殊动词have 练习：将下列三个句子做主语替换练习（将主语分别替换为 he, she , my sister, Tom, they , my parents .)1. I like reading. 2 We speak Chinese.3 She goes to school every day. 四、将下列句子变为一般疑问句及否定句并观察其变法 I often get up at six oclock. Do you often get up at six oclock ? I dont often get up at six oclock.1. We play football in the afternoon.2. I usually send emails to my friend.3. They do their homework on the computer .4. Tom and Tony have breakfast at home.5. I live in China.总结：当主语为第一、二人称或第三人称复数时， 一般疑问句变法： 否定句变法 五、将下列句子变为一般疑问句及否定句并观察其变法She wears silk shirts.Does she wear silk shirts? She doesnt wear silk shirts.1 He usually listens to music.2 She gets up early.3 My brother likes maths.4 The boy runs in the morning.总结：当主语为第三人称单数时， 一般疑问句变法为： 否定句变法为：综合练习：一、用所给动词的正确形式填空1 The camel _( eat ) grass.2 They _( live) in the desert.3 I _( like ) playing basketball.4 My aunt usually _( make) a cake.5 She often _( buy ) presents for her family.6 Linda _( sing ).7 We _( have ) a great time.8 My friends _( like ) birthdays.9 My aunt and uncle usually _( remember ) our birthdays.10 Mr. Li _( come ) from England.二、用dont和doesnt完成句子1 Daming and Lingling _( not have ) lunch at home.2 Daming _( not drink ) Coke.3 They _(not read ) magazines.4 We _( not play ) computer games.5 Betty _( not watch ) TV in the evening.三、分别用do和does写出一般疑问句并回答you , go to bed, at half past ten ? Do you go to bed at half past ten ? Yes, I do. / No, I dont.1 monkeys , come from, Africa ?2 she , like, English3 he , play computer g