| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [verb] | 45395 |
|
| 2 | [indef pn] could [verb] | 2038 |
|
| 3 | [pron] [indef pn] [verb] | 1358 |
|
| 4 | [pron] [indef pn] could | 109 |
|
