| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have to be | 2898 |
|
| 2 | [modal v] to be [conj] | 69 |
|
| 3 | have to be [conj] | 61 |
|
| 4 | [modal v] have to [conj] | 12 |
|
