4. put the verb into the right form. 1 we sometimes (have to) work at night last month. 2 when you are applying for a job you (should/look through) a lot of advertisements. 3 what yesterday? (you/do) 4 (you/hear) about bob? – no, i haven’t. where is he? 5 (you/have to) work at weekends? 6 while i (travel) to work, i got stuck in traffic jam. 7 the lecture was writing on the board when i (enter) the classroom. 8 you (have to) call him tomorrow. 9 if you ask them, they (help) you. 10 i would go to los-angeles, if i (get) a visa. 11 if i (be) you i (go to) the interview. 12 when i (arrive) at work yesterday, my boss (speak) to someone on the phone. 13 steve (work) for the same company for five years and now he wants to change his career. 14 i gave the magazine back to the library when i (read) it. 15 you look tired. (you/work) hard?
