1.Will you help me to tidy my room after make-over next weekend?
2.The firefighters couldn't put out the fire because of strong wind.
3.How much have you had to pay for it?
4.She will have to pay the forfeiture for drunk-driving.
5. I have been doing this task for an hour but I'm not able to finish it.
6.He must be very rich.
7.You don't have to tell me that if you don't want to.