| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [vb infin] [pos pn] [noun] [noun] | 1159 |
|
| 2 | [modal v] [vb infin] [pos pn] [noun] [noun] | 1159 |
|
| 3 | could [vb infin] [pron] [noun] [noun] | 162 |
|
| 4 | could [vb infin] [pos pn] [noun] [noun] | 150 |
|
| 5 | could [verb] [pos pn] [noun] [noun] | 150 |
|
