| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [noun] | 5154 |
|
| 2 | could [vb infin] [noun] | 5118 |
|
| 3 | [modal v] save [noun] | 226 |
|
| 4 | could save [noun] | 30 |
|
