| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there can [adv] be problems | 5 |
|
| 2 | [ex0] can [adv] be problems | 5 |
|
| 3 | [pron] can [adv] be problems | 5 |
|
| 4 | there can [adv] be problems | 5 |
|
