| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [verb] [pron] [det] [noun sg] | 202 |
|
| 2 | could [vb infin] [verb] [pron] [adj] [noun sg] | 46 |
|
| 3 | could [vb infin] [verb] [pron] [det] [noun] | 25 |
|
| 4 | could [verb] [verb] [pron] [det] [noun sg] | 17 |
|
