| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [verb] [art] [noun] | 3449 |
|
| 2 | [adv] [verb] [art] [noun] on | 2307 |
|
| 3 | could [verb] [art] [noun] on | 193 |
|
| 4 | could [adv] [verb] [noun] on | 41 |
|
