Make the sentences negative and interrogative. 1.     She will have cooked dinner by the time you come. 2.     The teacher will have looked through all exercise-books by the end of the week. 3.     The film will already have started when we get there. 4.     I shall have read the book by the next Monday. 5.     My parents will have gone to bed when we come back from the theatre. 6.     The students will have passed their exams by July. 7.     We shall have finished our work by the time the bell rings. 8.     By next winter he will have sold all his things. 9.     We shall have solved this difficult problem by the end of the week.