2.表示目前阶段正在进行,而此刻不一定在进行的动作.  eg. They are planting trees these days.                   

用法： 1.表示目前发生(进行)的动作(不指状态),常用时间状语有:now,at the moment 等,并常出现在祈使句的句子中,与 look, listen连用.

eg. Are you writing a letter to your father at the moment?   Listen! She is singing in the next room.

3.在时间或条件状语从句中,一般用一般现在时代替一般将来时.   eg. Tom will write to me when he gets there.     4.be going to +动词原形也可表示将来时.

(1).表示主观意愿.打算等. eg. He's going to learn English next term.

(2).根据已有迹象,可能要发生的情况  eg. Look at the black clouds!  ----It is going to rain.

D:现在进行时?表示目前或目前阶段正在进行的动作。

结构： am/is/are + 动词的-ing形式

2.当主语是第一人称时,用will 表示意愿.决心.允诺.命令等.

eg. I will give you an English--Chinese dictionary for your birthday.

2.表示某种必然的趋势  eg. Fish will die without water.
解析： 1.在以第一人称为主语的问句中,常用 shall 表示提议和询问情况,在以第二人称作主语的问句中,用will 表示请求.    eg. Where shall we have the meeting?

        Will you please lend me your pen?

Maybe China's population _______ (pass) 1,300,000,000 by the year 2005.

shan't== shall not    won't == will not
用法: 1.表示将要发生的动 作或情况,常用时间状语有: later (on), soon, in a month, next time, from now on, tomorrow等.    eg. I shall be eighteen years old next year.

4.常与表示过去的时间状语, 如… ago, yesterday, last week, in the old days, when I was five years old, in 1995 等连用.     eg.They began the work two months ago.

Were you born in 1981? Yes, I was.

C:一般将来时?表示将来发生的动作或存在的状态 

  结构： 助动词shall/will + 动词原形（当主语第一人称时，一般用shall，当主语为第三人称时，用will，但主语为第一人称时，也用will   肯定式:主语+shall/will+动词原形+其他

否定式:主语+shall/will+not+动词原形+其他.

疑问式:Shall/Will+主语+动词原形+其他 简略回答:(肯)Yes,主语+shall/will .

(否)No,主语+shall/will+not … 缩写形式: 'll ==shall/will

3.和when等连词引导的状语从句连用.   eg.When she reached home, she had a short rest.

2.表示过去经常或反复发生的动作,常与often,always 等表示频度的时间状语连用.

    eg.He always went to work by bus last summer.