| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] have to | 2271 |
|
| 2 | [not/n't] [adv] have | 2016 |
|
| 3 | [not/n't] [adv] to | 1173 |
|
| 4 | [not/n't] have to | 1030 |
|
