1. I am hungry because I haven't eaten all day.
2. I suggest that we repain the house before Tet. (Suggest + that + clause: gợi ý làm gì)
3. The book which I am looking tells about history of Viet Nam. (N (thing) + which + S + V)
4. That woman who is in blue dress is my mother. (N (person) + who + V + O)