| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [pron] [modal v] to be able | 9 |
|
| 2 | [adv] [pers pn] [modal v] to be able | 8 |
|
| 3 | [adv] [modal v] to be able [verb] | 7 |
|
| 4 | [adv] [modal v] to be able [to-vb] | 7 |
|
