| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] still have to be | 19 |
|
| 2 | [modal v] still have to be | 19 |
|
| 3 | will still have to be | 10 |
|
| 4 | will still have to be | 9 |
|
| 5 | would still have to be | 7 |
|
| 6 | would still have to be | 7 |
|
