Choose either Present Simple or Future Simple:
31. If you……………( to ask ) me difficult questions I………….( to be ) nervous.
32.Give her the note when she…………..( to arrive ).
33. As soon as the teacher…………..( to enter ) the classroom, the pupils………….( to stand up ).
34. Jane……………….( to look ) after her little brother till her mother…………...( to come back ).
35. We…………..( to go ) to the mountains after we ……………( to pass ) all our exams.