SA1.Are you free...?=Do you have any time ...?

2.go shopping=do some shopping买东西

3.when and where何时地

4.What can(情态动词提前） we see at 10:15 in the morning?

SB1.It's time to do sth.

=It's time for (doing) sth.该做......的时候了。

It's time to  have breakfast.

=It's time for breakfast.

2.It's time for sb. to do sth.该某人去做某人的时候了。

3.What are your favorite animals?

=What animals do you like best?

4.Kangkang likes monkeys because they're clever.

SC:1. Thank sb. for (doing) sth.因......而感谢某人。

2.Thank you for your help.

=Thank you for helping me.谢谢你的帮助。

3.It's very kind/nice of you.你真是太好了。

4.It's very kind of sb. to do sth.某人做某事真是太好了。（ kind形容词，友好的，善良的）

5.be kind/friendly to sb.对某人友好

6.a kind of books一种书

7.all kinds of books各种各样的书（kinds名词，种类，有复数）

8.on one's way home/here/there在回家/来这儿/去那儿的路上

9.on one's way to school在某人上学的路上

10.I think meat is the tiger's favorite food.

11.(变否定句)I don't think meat is the tiger's favorite food.我认为肉不是老虎最喜欢的食物。