$\begin{array}{c} \color{#db1616}{\texttt{#NUyen}} \end{array}$

`1`. The children are running and playing catch

`-` HTTD `(+)` S + tobe + V-ing + O

`-` V + and + V

`2`. You shouldn't drink soft drinks and alcoholic drinks

`-` S + shouldn't + V(bare) + O : không nên

`-` N + and + N

`3`. You should eat fruit and vegetables

`-` S + should + V(bare) + O : nên

`-` N + and + N

`4`. They ate fast food and drank soft drinks

`-` QKĐ `(+)` S + V(ed/qk)

`-` V + and + V

`5`. Mai and Nam want to go cycling 

`-` want + to V : muốn

1 The children are running and playing catch.

- HTTD: S + is/am/are + V-ing + O.

2 You shouldn't drink soft drink and alcoholic drinks

- S + shouldn't + V-inf + O: Không nên làm gì.

3 You should eat fruits and vegetables

- S + should + V-inf + O: Nên làm gì

4 They ate fast food and drank soft drinks

- S + V2/ed + O: QKD.

5 Mai and Nam want to go cycling.

- Go + V-ing.

- Want to do st: Muốn làm gì.