Complete the sentence with the correct from of the verbs in brackets

1 I might cook pasta tonight if you want (want). 2 He's not sure, but he. (ask) Hannah if she wants to go. 3 I won't enter the competition unless you (promise) to help me. 4 WhenI go on the website, I... (check) the time of the concert. 5 Unless we start work now, we before 6 o'clock. (not finish)