这是七年级的学生所要掌握的第一个非常重要的知识点。
1、区别含有be动词和实意动词的肯定句式。
I am at home.√ I stay at home.√
I am stay at home. × She stay at home. ×
2、一般疑问句、否定句表达的不同方式:
方法:肯定句变一般疑问句:1.谓语有be动词时,直接把be动词提前。
2. 谓语有实意动词时,在句首加助动词Do/Does。
肯定句变否定句:1.谓语有be动词时,直接在be动词后家not。
2. 谓语有实意动词时,在实意动词前加don’t/ doesn’t。
肯定句: I usually take photos on Sundays.
He usually takes photos on Sundays.
否定句: I don’t take photos on Sundays.
He doesn’t take photos on Sundays.
一般疑问句:Do you usually take photos on Sundays?
Yes, I do. No , I don’t.
Does he usually take photos on Sundays?
Yes, he does. No ,he doesn’t.
特殊疑问句:What do you usually do on Sundays?
What does he usually do on Sundays?
☆注意☆当主语是第三人称单数时,动词要用三单式。具体形式是:
|
变化 |
例词 |
一般情况 |
加s |
reads, says, takes |
以sh,ch,s,x,o结尾的 |
加es |
watches, teaches, goes |
以辅音字母加y结尾的 |
去y加ies |
studies, flies, cries |
2015年