| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] to be able | 6 |
|
| 2 | [verb] be to be able | 6 |
|
| 3 | [verb] is to be able | 5 |
|
| 4 | [verb] [is] to be able | 5 |
|
