| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could have [vb pp] | 3144 |
|
| 2 | could have [vb pp] [adj] | 517 |
|
| 3 | [pron] could have [adj] | 242 |
|
| 4 | [pron] have [vb pp] [adj] | 94 |
|
