составьте 10 простых предложений в Pr. Perf. с со всеми временными маркерами (yet, already и т.д.)

I have already done my homework.Has she come yet?I have studied English since childhood.I have not seen my hometown for 10 years.He has just finished his homework.We have lived in Moscow since 2005.The show has not begun yet.He has seen a lot of films lately.I have written a letter this morning.She has never been to London.Have you ever been to Africa?The tomatoes have not ripened yet.He has had three car accidents.