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You should/could +v.
Why don’t you +v.?
Why not +v.?
Could you please +v.?
You’d better (not) +v.
Would you mind doing……?
What about/How about + n./doing……?
Should与could 表建议的不同点
could 给出建议一般是指自己不太肯定，或者只是很多建议中的某一个，仅供参考；should自己很肯定的或最好的一个建议。
1. We shouldn’t _______ (argue) with our parents.
2. You shouldn’t ____ (use) the phone in the classroom.
3. —Could I use your dictionary?
—Well, you ___.
A. can B. could C. should D. might
argue
use
A
4. You’d better ___ (go) to school by bike.
5. How about _______ (go) hiking this afternoon?
go
going
although, so that , until
Revision
Although / Though the weather is sunny, I feel cold.
I feel cold although / though the weather is sunny.
Although / Though it is raining, but they are still playing outside.
→Although / Though it is raining, they are still playing outside. = It is raining, but they are still playing outside.
(×)
(√?)
so that 引导目的状语从句，表示前一句所表述的动作的目的。在从句中常使用can /could / will/ may/ should等词。