| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pron] [vb base] n't | 3800 |
|
| 2 | [pron] [adv] [vb base] n't | 2337 |
|
| 3 | if [pron] [adv] [vb base] | 1589 |
|
