| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] able [to-vb] [pron] [noun] [prep] | 116 |
|
| 2 | [was/were] able [to-vb] [pron] [noun] [prep] | 116 |
|
| 3 | [be] able [to-vb] [pron] [noun] at | 25 |
|
| 4 | [was/were] [adj] [to-vb] [pron] [noun] at | 22 |
|
| 5 | [was/were] able [to-vb] [pron] [noun] at | 6 |
|
| 6 | [was/were] able [verb] [pron] [noun] at | 6 |
|
