2、be going to +动词原形：表示马上就要发生的事情或打算好要做的事。

　例：Are you going to attend the lecture? 你打算去听这个演讲吗？

1、will(shall)+原形动词：表示将来的动作或状态。

　例：He will come and help you. 他会来帮助你的。

3、it is high time(that)…句型中，谓语动词用过去时。

　例：Don’t you think it is time you _____ smoking?

　A. give up

　B. gave up

　C. would give up

　D. should give up

　(答案：B)

2、used to do sth：过去常常做…

　例：I used to take a walk in the morning.

　我过去是在早晨散步。(意味着现在不在早晨散步了。)

1、表示过去的动作或状态：常和过去时间状语连用。just now, last year, when I was 8years old等。

　例：You've already missed too many classes this term .You _____ two classes just last week.

　A. missed

　B. would miss

　C. had missed

　D. have missed

　(答案：A。有具体的时间状语要用过去时。)

4、在时间、条件状语从句中表示将来的动作：常用的连词有as soon as，when，till，if。

　(1)They will go home for winter vocation as soon as they ________their exams.

　A. have finished

　B. finish

　C. finished

　D. was finishing

　(答案：B)

　(2)When the mixture ______, it will give off a powerful force.

　A. will heat

　B. will be heated

　C. is heated

　D. has heated

　(答案：C)

3、有些表示心理状态或感情的动词往往用一般现在时。

　例：I don’t think you are right.我以为你错了。

2、表示普遍的真理。由于是众所周知的客观事实，所以一般不用时间状语。

　例：The earth is round. 地球是圆的。

1、表示经常发生的动作或存在的状态：常和always, usually, often ,sometimes, every day, every week的等时间状语连用。

　例：He goes to work every day. 他每天去上班。