| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there could [be] [noun] | 98 |
|
| 2 | there [modal v] [be] problems | 76 |
|
| 3 | there could [be] [noun pl] | 50 |
|
| 4 | [ex0] could [be] problems | 9 |
|
| 5 | there could [be] problems | 9 |
|
| 6 | [pron] could [be] problems | 9 |
|
| 7 | there could [be] problem | 9 |
|
