| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [be] [adj] to be | 293 |
|
| 2 | [vb mod] [be] able to [be] | 44 |
|
| 3 | [modal v] [be] able to be | 44 |
|
| 4 | [vb mod] [be] able [prep] be | 44 |
|
