Tolong saya mengerjakan soal ini

1. + rina gos to school by taxi
- rina doesn't go to school by taxi
? does rina go to school by taxi ?
2. + i have beautiful flower
- i don't have beautiful flower
? do i have beautiful flower ?
3. + the teacher teach English in the class 3
- the teacher doesn't teach English in the class 3
? does a teacher teach English in the class 3 ?
4. + dona is a policy
- dona is not a policy
? is dona a policy
5. + you are sleepy
- you are not sleepy
? are you sleepy ?