| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it could [vb infin] [noun] | 189 |
|
| 2 | [vb base] it could [vb infin] | 74 |
|
| 3 | [vb base] it [vb infin] [noun] | 21 |
|
| 4 | [vb base] could [vb infin] [noun] | 9 |
|
