Сделайте правильные предложения и напишите какие правила вы использовали к каждому предложению(модальный глагол,согласование времён,условное предложение,пассив и complex object)
1.if we (not to have) much luggage we shouldn't have taken a taxi.
2.i've heard them (to quarrel) several times.
3.he told her that he (to leave) town very early the following morning.
4.we (to be) to meet at five but i was late.
5.all the contracts (to sign) by the president today.