| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] to be able [verb] | 186 |
|
| 2 | [modal v] to be able [verb] | 137 |
|
| 3 | [adv] [modal v] be able [verb] | 50 |
|
| 4 | [adv] [modal v] to be [verb] | 50 |
|
| 5 | [adv] [modal v] to be able | 7 |
|
