| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb base] [be] unable | 28 |
|
| 2 | i [vb base] be unable | 28 |
|
| 3 | i [vb base] [been] unable | 27 |
|
| 4 | i [vb base] been unable | 27 |
|
| 5 | i have [be] unable | 20 |
|
| 6 | i 've [be] unable | 7 |
|
