| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] not [adv] able [to-vb] | 21 |
|
| 2 | [am/are] [not/n't] [adv] able [to-vb] | 21 |
|
| 3 | are [not/n't] [adv] able [to-vb] | 19 |
|
| 4 | [am/are] [not/n't] yet able [to-vb] | 9 |
|
| 5 | [am/are] [not/n't] yet able [to-vb] | 9 |
|
