Put the verbs into the present indefinite or the past indefinite. 1.when they last( to go) for a picnic? 2.how you usually (to get) to school? 3.what time george usually(to leave) home for work? 4.who always (to drive) helen to work? 5.you (to ring) up your friends yesterday evening? 6.why fred ( not to beat) the carpets last saturday? 7.which of your family usually (to sleep) with the window open? 8.who to sweep) the floor in the hall yesterday? 9.how often the pupils( to stay) in after classes?