| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there are [adv] problems | 39 |
|
| 2 | there are [adv] problems | 39 |
|
| 3 | there are also problems | 14 |
|
| 4 | there are also problems | 14 |
|
| 5 | there are still problems | 12 |
|
| 6 | there are still problems | 12 |
|
