| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they do [not/n't] have to pay | 15 |
|
| 2 | they do [adv] have to pay | 15 |
|
| 3 | they do not have to pay | 15 |
|
| 4 | they do [adv] have to pay | 15 |
|
| 5 | they do n't have to pay | 12 |
|
| 6 | they do [adv] have to pay | 11 |
|
