| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there [be] problems [prep] | 140 |
|
| 2 | there could [be] problems | 9 |
|
| 3 | there could [be] [prep] | 6 |
|
| 4 | could [be] problems [prep] | 6 |
|
