| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [adv] [vb infin] | 21164 |
|
| 2 | [adj] [pron] could [vb infin] | 1480 |
|
| 3 | [adj] [pron] could [adv] | 593 |
|
| 4 | [adj] could [adv] [vb infin] | 403 |
|
