| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could have [verb] [noun sg] | 128 |
|
| 2 | have [verb] for [noun sg] | 97 |
|
| 3 | could have [verb] for | 88 |
|
| 4 | could [verb] for [noun sg] | 66 |
|
