| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do n't exist | 233 |
|
| 2 | does n't exist | 95 |
|
| 3 | [vb -s] n't exist | 95 |
|
| 4 | did n't exist | 80 |
|
| 5 | [vb past] n't exist | 80 |
|
| 6 | [vb base] n't exist | 57 |
|
| 7 | do n't exist | 57 |
|
