Use the right forms of the verbs to add, to ask, to wonder, to explain, to tell, to say, to want in these sentences 1)boris to his sister that he had already spoken to their trainer 2)margaret to know if they had finished building their garage 3)andrew if my cousin gad flown to america 4)albert that he had lost his textbook 5)ann to the children what they should do. 6)we that we were leaving for moscow from moskovsky railway station at seven 7)we that we didn't want to be late for the train