| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [modal v] [vb infin] [det] [art] [noun sg] | 25 |
|
| 2 | [conj] could [vb infin] [det] [art] [noun] | 7 |
|
| 3 | [conj] could [verb] [det] [art] [noun sg] | 5 |
|
| 4 | [conj] could [vb infin] [adj] [art] [noun sg] | 5 |
|
