1. "Try youl best to improve your pronunciation, Tim" Miss Jackson said

Miss Jackson asked Tim to try his best to improve his pronunciation

Reported speech dạng command, request: S1 + asked/told + O + (not) + to Vo

2. I learn English so that I can communicate with foreigners.

I learn English to communicate with foreigners.

S + V + so as to/in order to/to + Vo: ai làm gì để làm gì

3. "Don't make so much noise," my father said.

My father told me not to make so much noise

4. They are good teacher at Maths.

They teach Maths well

5. He actively participates in outdoor activities.

He is an active participant in outdoor activities.