Помогите

Определить видо-временную форму глагола и подчеркнуть сказуемое
Здравствуйте. Помогите, пожалуйста, с заданием. Совсем запуталась... Два раза уже пересдавала, но все равно с ошибками...

1. I didn't like to visit my relatives.
2. We were discussing the plan of our work.
3. Do you want to enter the University?
4. It takes me long to get to school.
5. How long have you been wearing glasses?
6. They left school last year.
7. It will have stopped raining.
8. The students had passed the exam by 20'clock.
9. I'll be doing my homework while my mother cooks dinner.
10. The child is sleeping now.
11. I want to eat.
12. Her brother made theree mistakes in the test.
13. Den studies at the University.
14. My parents went to the theatre yesterday.
15. I have already had my dinner.
16. What are you doing? I am reading.
17. Yesterday at 10 o'clock. I was returning home after the concert.
18. I'll remember this day all my life.

Ничего ж не сделано. Если стесняетесь показать ошибки, то помощь будет бесполезной.