Correct Mistakes He eating cake now We never written a test

1. He eating cake now. - He is eating a cake now.
2. We never written a test. - We have never written a test.
3. He dont sing in the morning. - He doesnt sing in the morning.
4. Yesterday he has written a letter. - Yesterday he wrote a letter.
5. Now he eats a cake. - He is eating a cake now.
6. Every day he is eating a cake. - He eats a cake every day.
7. This morning I saw him. - I have seen him this morning.
8 I never will drink vine. - I have never drunk vine.