| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] n't have to have a | 20 |
|
| 2 | do n't have have a | 20 |
|
| 3 | do n't have have a | 16 |
|
| 4 | [vb base] n't have have a | 16 |
|
