You (to understand) what he( to talk) about? where ( to be) john? - he( to do) his homework/ he (to do)it for three hours i can not give you the book, i still ( to are ypu? how long you read it? what you (to do) tonight? i ( to study) for my exams. but i ( to finish) by 8 o'clock, i hope/ - good -let's go to the cinema then/ the film ( to start) at 8.30/