| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] able [to-vb] [prep] | 553 |
|
| 2 | [was/were] [adj] [to-vb] at | 207 |
|
| 3 | [be] able [to-vb] at | 207 |
|
| 4 | [was/were] [adj] [to-vb] at | 201 |
|
| 5 | [was/were] able [verb] at | 41 |
|
| 6 | [was/were] able [to-vb] at | 41 |
|
