| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [be] able [to-vb] [prep] [noun sg] | 25 |
|
| 2 | not be able [to-vb] [prep] [noun sg] | 25 |
|
| 3 | not been able [to-vb] [prep] [noun] | 15 |
|
| 4 | [adv] been able [to-vb] [prep] [noun sg] | 7 |
|
| 5 | not been [adj] [to-vb] [prep] [noun sg] | 7 |
|
| 6 | not been able [verb] [prep] [noun sg] | 6 |
|
| 7 | not [been] able [to-vb] [prep] [noun sg] | 6 |
|
