| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [adv] exist | 884 |
|
| 2 | do still [verb] | 71 |
|
| 3 | do still [vb infin] | 69 |
|
| 4 | do [adv] exist | 29 |
|
| 5 | do still exist | 7 |
|
| 6 | [verb] still exist | 7 |
|
| 7 | do still exist | 7 |
|
