Lan started studying english five years ago and she still studies it.

--> Lan has studied English for five years

The sun was shining. It wasn't very warm

--> Although the sun was shining, it wasn't very warm

Nam doesn't live with his parents anymore

--> Nam used to live with his parents

Never talk with food in your month.

--> You shouldn't talk with food in your mouth

I like traditional dances better than modern ones.

--> I prefer traditional dances to modern ones.

Our grandmother usually tells us folk tales

--> We are usually told folk tales by our grandmother