| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] [prep] [adv] [noun] | 189 |
|
| 2 | could [verb] [prep] [adv] [noun] | 13 |
|
| 3 | could [verb] [prep] [adv] [noun] | 13 |
|
