`1.` She likes talking with her friends in her free time.

`@` S + like(s) + V-ing ....: thích làm gì ...

`2.` Volunteers have given out food and blankets to homeless people. 

`@` S + have/ has + Ved/ Vc3 ..............

`3.` We are going to organize a garden party to raise money for the victims of the flood. 

`@` S + am/ is/ are + going to + V-infi ..... : dự định sẽ làm gì

`4.` Environmental pollution has caused to lots of health problems.

`@` S + have/ has + Ved/ Vc3 .....

1. She / free time/ talking / her friends / her/ / with / likes / in ? 

=> Does she like talking with her friends in free time?

(?)HTĐ: Do/ Does + S + V?

             S +like/ likes+ V-ing

2. have / food / blankets / and / homeless / volunteers / people / to / given out.

=> Food and blankets have been given out to homeless people.

(+)HTHT ( passive) : S + have/ has + been + V-ed/ V3

3. raise / we / to/ for / organize / party / victims / money / a garden / the flood / are / going to/ of.

=> We are going to organize a garden party to raise money for the victims of the flood. 

(+) TLG: S + be + going to + V.

4. pollution / has/ lots of / problems / caused / health / environmental.

=> Environmental pollution has caused to lots of health problems.

(+) QKĐ: S + has/ have + Ved/ V3