| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] able [verb] [prep] | 848 |
|
| 2 | must [be] [adj] [verb] [prep] | 101 |
|
| 3 | must [be] [adj] [verb] [prep] | 97 |
|
| 4 | must [be] able [verb] [prep] | 44 |
|
| 5 | must [be] able [verb] [prep] | 44 |
|
