| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [det] could [vb infin] | 80 |
|
| 2 | [prep] it could [vb infin] | 17 |
|
| 3 | [det] it could [vb infin] | 14 |
|
| 4 | [prep] [det] it could | 11 |
|
