| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] to | 8745 |
|
| 2 | not [vb infin] to | 4573 |
|
| 3 | [adv] have to | 1359 |
|
| 4 | [not/n't] have to | 1011 |
|
| 5 | not have to | 1009 |
|
| 6 | not have [prep] | 396 |
|
| 7 | not have [prep] | 396 |
|
| 8 | not have to | 363 |
|
| 9 | not have to | 349 |
|
