| A | B |
|---|
| My children | don't have to go to school on Saturdays. |
| Do you have | to do lot of homework for your course? |
| My husband | has to shave every morning. |
| My wife | has to wash her gold sari by hand. |
| I have to | get up early for work. |
| In our class we don't have to | stand up when the teacher comes in. |
| ESOL students don't | have to pay for classes. |
| Our teacher doesn't | have to sit behind the desk all the time. |
