silent for long periods of time, they will do their best to include you in their conversation. However, if they disagree with what you 4. ________ (say), they remain quiet. It only 5. ________ (mean) that they consider it impolite to argue further.

答案

【即学即练】

A. 1. comes 2. sleeps 3. is singing; sings

4. is waiting 5. is; knows

B. 1. is 2. are talking 3. lasts

4. are saying / have said 5. means

将来的表达法

【归纳】

1. will / shall +动词原形

①表示将来要发生的动作或将来存在的状态。如：

　I'll tell you everything next time.

　You will be all right soon.

②表示一种倾向或习惯性动作。如：

　Flowers will die without water.

　Every Saturday they will play football together.

③表示说话人说话时将要做的事情。如：

　The doctor will be with you in a few minutes.

2. be going to +动词原形

①表示主观上打算要进行的动作。如：

　-Why are you putting on those old clothes?

　-I'm going to paint the kitchen.

②表示有迹象表明将要发生的事。如：

　Look at the black cloud. It's going to rain.

3. be +不定式