| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] [pron] be able | 10 |
|
| 2 | not [verb] [pers pn] [be] able | 9 |
|
| 3 | not [vb infin] [pron] [be] able | 9 |
|
| 4 | not [verb] [pron] [be] able | 5 |
|
| 5 | n't [verb] [pron] [be] able | 5 |
|
