| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [that] it could [vb infin] | 82 |
|
| 2 | [noun] [that] it could [verb] | 82 |
|
| 3 | [noun] [that] it [modal v] happen | 17 |
|
| 4 | [noun] [conj] it could happen | 7 |
|
| 5 | [noun] [that] [pron] could happen | 5 |
|
| 6 | [noun] [that] it could happen | 5 |
|
