ПОМОГИТЕ ПОЖАЛУЙСТА!!!!!!!!!!!!!!!!!!! Откройте скобки, употребив глагол в правильной

ПОМОГИТЕ ПОЖАЛУЙСТА!!!!!!!!!!!!!!!!!!! Откройте скобки, употребив глагол в правильной временной форме.
1. The first television broadcast (to make) in April, 1939. Since then it (to become) one of the most important facts of modern life. Its effect (to feel) all over the world at present. So what you (to do) if your TV set (not to work) tonight?
2. The man who (to sit) opposite David (to ask) him what time the train (to arrive) in London.
David knew the time-table well as he (to travel) by this train several times already. But the train suddenly (to stop) and nobody knew why. David (to feel) that
they (not to get) to London in time. Later it turned out that a cow (to step) on the line.