| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] and [verb] [adj] [noun] | 246 |
|
| 2 | could [vb infin] [conj] [verb] [adj] [noun] | 26 |
|
| 3 | could [verb] and [verb] [adj] [noun] | 23 |
|
