| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [pron] [modal v] [vb infin] [noun] | 461 |
|
| 2 | [verb] [pron] could [vb infin] [noun] | 242 |
|
| 3 | [vb base] [pron] could [verb] [noun] | 50 |
|
