| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [to-vb] [prep] this | 264 |
|
| 2 | could [vb infin] [to-vb] [prep] | 165 |
|
| 3 | could [vb infin] [prep] this | 139 |
|
| 4 | could [vb infin] [to-vb] this | 16 |
|
