| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [not/n't] have to do [art] [noun] | 12 |
|
| 2 | do not have to do [art] [noun] | 12 |
|
| 3 | do [adv] have to do [art] [noun] | 12 |
|
| 4 | do [adv] have to do [art] [noun sg] | 11 |
|
| 5 | do n't have to do [art] [noun] | 11 |
|
| 6 | do [adv] have to do a [noun] | 8 |
|
| 7 | do [adv] have to do [art] [noun] | 6 |
|
| 8 | did [adv] have to do [art] [noun] | 5 |
|
