| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb infin] [adj] | 13010 |
|
| 2 | could [vb infin] [adj] | 6286 |
|
| 3 | could [pron] [vb infin] | 3881 |
|
| 4 | could [pron] [adj] | 46 |
|
