| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it could [vb infin] [noun] | 189 |
|
| 2 | it could [vb infin] [adv] | 136 |
|
| 3 | could [vb infin] [adv] [noun] | 96 |
|
| 4 | it [vb infin] [adv] [noun] | 5 |
|
