| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i have n't [been] able | 60 |
|
| 2 | i [verb] n't [been] able | 60 |
|
| 3 | i [verb] n't [been] able | 60 |
|
| 4 | i [verb] n't been able | 60 |
|
| 5 | i have n't [been] able | 50 |
|
| 6 | i [vb base] n't [been] able | 50 |
|
| 7 | i [vb past] n't [been] able | 10 |
|
| 8 | i had n't [been] able | 10 |
|
