3.在动词hope,　take care that,　make sure that等后。

　I hope she has a good time.

　Before you leave the room, please make sure that the door is closed.

2.在时间或条件句中。

　When Tom comes, ask him how to fix the tap.

　I’ll help you as soon as I arrive there.

一般现在时表将来

1.含有go, come, return, arrive, leave, start, begin等动词的一般现在时表将来。表示在时间上已确定或安排好的事情。

　The school bus leaves at eight .

4.表示现在的状态、性格、个性。

　I don’t want more, thanks.

　He is a good student. He is always ready to help others.

3.在格言或名言警句中。

　Pride goes before a fall. 骄必败。

　Actions speak louder than words.事实用于雄辩。

2.表达客观真理，科学事实。如果出现在宾语从句中，即使主句是过去时，从句谓语也要用一般现在时。

　Three and four makes seven.

　The teacher told us that the earth moves around the sun.

　Shenyang lies in the north of China.

1.经常性或习惯性的动作，常与表示频度的时间状语连用。如：

　every year, sometimes, at 5 o’clock, on Sunday.

　I get up at six o’clock every day.

　He gets up at six o’clock every day.

　She smokes too much.

　I telephone to my parents once a week.

4.特殊疑问句：特殊疑问词 + 一般疑问句

　How many students are there in your school?

　What do you usually do on Sunday?

3.一般疑问句：

　A.行为动词的一般疑问句：助动词(do/does)+主语+动词原形 + 其它成分

　Do you like it? Yes, I do. / No. I don’t .　 Does he(she) like it? Yes, he( she )does. / No, he ( she )doesn’t.

　B. 动词BE 的一般疑问句Am / Is /Are +主语 + 其它成分

　Are you a teacher? Yes, I am. / No, I am not.

　Are they students of your school.Yes they are / No they aren,t.

2.否定句构成：

　行为动词的否定句：主语+助动词(do/does) + not +动词原形+其它成分

　He dosen’t have a dog.　He isn’t young.　We don’t like the little cat.

　(借助于助动词do) She doesn’t sing well. (借助于助动词does)