| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [det] | 3310 |
|
| 2 | [vb infin] for [det] | 1343 |
|
| 3 | could [vb infin] for | 799 |
|
| 4 | could for [det] | 6 |
|
