| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [verb] a [noun] | 41309 |
|
| 2 | could [verb] a [noun] | 2453 |
|
| 3 | could [verb] [verb] [noun] | 527 |
|
| 4 | could [verb] [verb] a | 397 |
|
