| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have to be of | 5 |
|
| 2 | [vb mod] have to be of | 5 |
|
| 3 | would have to be of | 5 |
|
| 4 | [modal v] have to be of | 5 |
|
| 5 | would have to be of | 5 |
|
