Какие слова надо подставить

Привет! Давай решим задание вместе. Нужно вставить правильные формы глаголов в Present Perfect. Вот что у нас получается:

1. My mum has written (write) the shopping list. It's on the kitchen table.
2. Dad has not eaten (not eat) my biscuit!
3. I'm tired. I have watched (watch) three X-Files videos.
4. Have they started (start) the film?
5. These are my favourite trousers. I have had (have) them for five years.
6. Tom's my best friend. I have known (know) him for three years.

Если есть вопросы, не стесняйся спрашивать!