| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [modal v] [verb] [prep] [noun sg] | 271 |
|
| 2 | [det] could [verb] [prep] [noun] | 46 |
|
| 3 | [adj] could [verb] [prep] [noun sg] | 32 |
|
