| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [modal v] [vb infin] [noun sg] | 391 |
|
| 2 | [conj] [pron] could [vb infin] [noun sg] | 354 |
|
| 3 | [conj] it could [vb infin] [noun] | 67 |
|
| 4 | [conj] it could [verb] [noun sg] | 38 |
|
