| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] to [be] | 7283 |
|
| 2 | [verb] to [be] able | 1248 |
|
| 3 | [modal v] [verb] [be] able | 196 |
|
| 4 | [modal v] to [be] able | 146 |
|
