| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] able [to-vb] [prep] [art] | 1183 |
|
| 2 | [be] able [to-vb] [prep] [art] | 1183 |
|
| 3 | [be] [adj] [to-vb] at [art] | 254 |
|
| 4 | [be] able [to-vb] at [art] | 60 |
|
| 5 | [be] able [verb] at [art] | 60 |
|
