| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] still exist | 138 |
|
| 2 | [noun sg] still exists | 111 |
|
| 3 | problem still exist | 48 |
|
| 4 | [noun sg] still existed | 13 |
|
| 5 | [noun sg] still exist | 13 |
|
