Put the verbs in the brackets in the correct form.

1. Few people .............................. (inform) about the sales so far. That's why the attendance ... (be) really poor up to now.
2. Our managers aim at .............. (increase) productivity and work effectiveness simply by means of .............. (offer) the workers higher wages.
3. 'What .............................. (you/ do) yesterday at 6 a.m. ?'
'I .............................. (still/sleep) at that time.
4. 'Is it difficult .............................. (run) a business on your own? 'I don't know. I .............................. (not try) it yet.'
5. While you .............................. (write) the test try .............................. (avoid) .............................. (make) mistakes.
6. '.............................. (you / help) me with the luggage, please?' 'With pleasure, madam.'
7. You .............................. (not have to) agree .............................. (invest) your private money. We can manage with what we have.
8. Mark came too late. If he .............................. (not waste) so much time .............................. (play) computer games, he ............................. (not miss) the main event.
9. Nobody understood what the speaker was saying. He ............................. (must / be) a foreigner.
10. We want to know your plans. We wish you .............................. (inform) us about your decisions in advance.