| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [not/n't] have to | 925 |
|
| 2 | [not/n't] have to [be] | 759 |
|
| 3 | [verb] [not/n't] to [be] | 584 |
|
| 4 | [verb] have to [be] | 505 |
|
| 5 | [verb] [not/n't] have [be] | 73 |
|
