| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] [prep] be able | 9 |
|
| 2 | [was/were] [vb pp] to [be] able | 9 |
|
| 3 | [was/were] [vb pp] [prep] [be] able | 9 |
|
| 4 | [was/were] [vb pp] to [be] able | 9 |
|
| 5 | were [vb pp] [prep] [be] able | 6 |
|
