There is a grammar mistake in each of the following sentences. Find it and correct it.
1. What time have you to start work?
2. I must to go now. Bye-bye.
3. We no allowed to wear shorts at the University
4. We no can do what we want.
5. You mustn't smoking in here. It's against the rules.
6. I mustn't do the washing and ironing because my mother does it for me.
7. My mother have to work hard 6 days a week.
Answers & Comments
What time do you have to start to work?
I must go now. Bye-bye.
We aren't allowed to wear shorts at the University.
We can't do what we want.
You mustn't smoke here. It's against the rules.
I don't have to do the washing and ironing because my mother does it for me.
My mother has to work hard six days a week.