Aidez moi svp je n’arrive pas à faire cet exo que j’aurais du rendre aujourd’hui merci d’avance

1-When will you go to San Francisco?
2-How many times have you been to London?
3-Was he in the office yesterday?
4-I didn’t see Peter last week because he was ill.
5-The president visited our country five years ago.
6-I have met Prince Charles twice
7-How often did you go on holiday when you were a child?
8-Didn’t you have lunch yet?
9-What time did you have lunch today?
10-Welcome back,did you have a good holiday?