一般现在时和特殊疑问句讲解及练习答案

一般现在时 一、 定义与讲解

1、 一般现在时:表示经常性的事情,经常性的动作或一直存在事实和状态。 比如: he is a boy. (表示一直存在的事实)

He goes go work every day (表示经常性的事情)

下面的句子都是一般现在时,请你参考:

(1)I like swimming.

(2)He wants to go to sleep.

(3)They usually go to school by bike.

(4)I take the medicine three times a day.

(5)She helps her mother once a week.

(6)Mary’s father is a policeman.

(7)There are 50 students in my class.

2、 一般现在时的用法及变形.

一般现在时要注意以下几点:

(1)有am,is,are及情态动词的句型变疑问句调换am,is,are及情态动词和主语的位置,否定 回答在am,is,are及情态动词的末尾加not.否定句直接在后面加not. 例如:he is a student. - Is he a student ? - Yes,he is./No, he isn’t.

He is a student - he isn’t a student.

I can ride bike. - can you... I can’t...

(2)有动词的句型变疑问句在句首加上助动词Do,第三人称单数加Does.否定回答在Do或 Does后面加not

例如:I like swimming . - Do you like swimming ? - Yes, i do/ No, i don’t. I like swimming. - I don’t like swimming.

(3)第三人称单数在动词的末尾要加s或es,以s,ch,sh结尾的单词加es,特殊单词特殊记. 例如:He goes to school at 7:00 every day.

要特别注意在什么情况要使用一般现在时.

现在请你完成一些练习,让你更熟练地掌握一般现在时:

(一).用动词的适当形式填空

1. She _________(go) to school at seven o’clock.

3. He usually ___________ up at 17:00.(get )

4. She ___________ (live) in Beijing.

7. My father __________ (watch) TV every evening .

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