| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] does [adv] exist | 7 |
|
| 2 | [noun pl] [vb -s] not exist | 7 |
|
| 3 | [noun pl] [vb -s] [not/n't] exist | 7 |
|
| 4 | [noun pl] [vb -s] not exist | 6 |
|
