| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [prep] [noun] | 1709 |
|
| 2 | [vb infin] in [prep] [noun] | 205 |
|
| 3 | could [vb infin] in [prep] | 72 |
|
| 4 | could [vb infin] in [noun] | 8 |
|
