| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [be] able [to-vb] [prep] | 247 |
|
| 2 | [be] able [to-vb] [prep] [det] | 223 |
|
| 3 | not [be] able [to-vb] [det] | 125 |
|
| 4 | not able [to-vb] [prep] [det] | 10 |
|
