3.一般疑问句：①有be动词/ 情态动词：be动词/ 情态动词提前
②没有be动词/ 情态动词: do/does提前，动词变为原型
例：Is he from China?
Does he come from China?
Can you swim?
4.特殊疑问句：①有be动词/ 情态动词：特殊疑问词+be动词/ 情态动词 ②没有be动词/ 情态动词：特殊疑问词+do/does
例：When does he go to school?
Where are you from?
五、动词变化：
1.直接在动词词尾加-s.
ask---asks work---works get---gets stay---stays
2以字母s, x, ch, sh或o结尾的动词，在词尾直接加-es.
watch---watches wish---wishes fix---fixes do---does
go---goes pass---passes
3以“辅音字母加 - y”结尾的动词，要先变y为i再加-es.
try---tries study---studies cry---cries fly---flies
4.不规则变化：
be---- is，are have----has
M9,10行为动词的现在进行时
一、现在进行时：表示现在正在进行的动作。
二、 结构：主语+be(am,is,are)+动词ing
例：He is playing football.
三、 句型：
1.肯定句：主语+be+动词ing
例：I am reading a book now.
He is reading a book bow.
We are playing games.
2.否定句：主语+be+not+动词ing
例：I am not reading a book.
She is not (isn’t) watching TV.
They are not (aren’t) writing.
3.一般疑问句：be提前
例：Are you eating? ----Yes, I am. / No, I’m not.