* S+ suggest + V-ing / that clause

- I suggested going swimming in summer.

- My doctor suggests eating less and exercising more. 

* S + should + V ( infi)

- We should brush our teeth twice a day.

- You should drink less suger.

* Shall + S + V (infi)

- Shall I bring this bag to your room?

- Shall for obligation in very formal situations.

* Let's + V ( infi)

– Let’s work together.

- Let’s go shopping this weekend .

* Why don't we + V (infi)

 - Why don’t we take a break in the south-west ?

 - Why don’t we stop now and work on this tomorrow morning ?

Xin ctlhn nha !!

- S + suggest + V-ing / that clause

=> He suggested a new coffee shop near the university.

=> She suggests that he consider the promotion carefully.

- S + should + V ( infi)

=> We should go to bed early

=> We shouldn't go on the grass

- Let's + V ( infi)

=> Let's swim

=> Let's play

- Why don't we + V (infi)

=> Why don't we go to the park?

=> Why don't we going fishing?