| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] could [verb] | 3902 |
|
| 2 | [verb] [pron] [verb] [indef pn] | 2748 |
|
| 3 | [pron] could [verb] [indef pn] | 855 |
|
| 4 | [verb] could [verb] [indef pn] | 7 |
|
