Придумайте 7 предложений со словами ever never since for already yet just, спасибо. :3

1) Have you ever been to London?
2) I have never smoked. 
3) We have known each other since 2009.
4) He has worked for this company for 4 years.
5) She has already done her homework.
6) She hasn't written a book yet. 
7) We have just had breakfast.