| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be able [to-vb] [adv] [prep] a | 14 |
|
| 2 | be able [verb] [adv] [prep] a | 14 |
|
| 3 | be able [verb] [adv] [prep] a | 14 |
|
| 4 | be able [verb] [adv] [prep] a | 11 |
|
