| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they often do n't | 7 |
|
| 2 | they often [verb] n't | 7 |
|
| 3 | they often [verb] n't | 7 |
|
| 4 | they often [vb base] n't | 6 |
|
| 5 | they often do n't | 6 |
|
