| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] a [adj] [noun] | 12546 |
|
| 2 | could [verb] [art] [adj] [noun] | 2900 |
|
| 3 | could [verb] [art] [adj] [noun] | 2900 |
|
| 4 | could [verb] a [adj] [noun] | 1541 |
|
