| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have to [be] | 2893 |
|
| 2 | [modal v] then have [be] | 31 |
|
| 3 | [modal v] then have to | 19 |
|
| 4 | then have to [be] | 18 |
|
