动词的一般将来时
一般将来时主要表示准备做的事、将要发生的动作情况、按计划安排要发生的事。
一般将来时的谓语形式：
1.am / is / are going to +动词原形
2.will / shall +动词原形(shall用于第一人称)
3.am / is / are +不定式
We'll have eggs and toast for breakfast this morning.
How are you going to spend your summer vacation?
I think it's going to rain.
We are going to the zoo tomorrow.
The factory is to go into production.
The line is to be opened to traffic on May Day.
The machine won't work.
The meeting won't last long.
be about to 可表示即将做某事。
He is about to leave.
My mother is about to retire.
一般将来时有时还可以用来表示一种倾向。
Crops will die without water.
Whenever I have time, I'll go and see you.
Whoever fails to see this will make a big mistake.
Oil will float on water.
用Shall I…? Shall we…? 开头可以表示征求对方的意见。肯定回答用 "Yes, please"或 "Please do"; 否定回答用 "No, please don't " 等来回答。
--Shall I close the window, it's too cold here.
--Yes, please. (No, Please don't.)
--Shall we call a taxi?
--Yes, let's. (No, I don't think we shall.)
时间和条件状语主句是将来时，从句中一般不能用将来时态，而用现在时态代替。
Liping will let you have the book when he is through.(主动语态里let后面再出现动词省略to)
We shall help you if you ask us.
I'll ask my mother as soon as she comes.
It will be six years before we meet again.
She will miss the train unless she hurries up.
