Напишите 10 предложений на британском языке а Present Perfekt

1. My younger brother Steven has just won chess competitions.
2. The students of this department have taken part in the conference recently.
3. Our teacher has recovered from serious illness lately.
4. Has your sister ever attended these courses?
5. Have your relatives visited you this week?
6. How long have you known your neighbour?
7. We havent received letters from our uncle for a long rime.
8. I and my friends have just watched a new cartoon.
9. Mike has already watered all the flowers in his garden.
10. My mother has never been to Australia.