| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [noun] [noun sg] | 251 |
|
| 2 | could [vb infin] [noun] [noun sg] | 250 |
|
| 3 | [modal v] use [noun] [noun sg] | 54 |
|
| 4 | could use [noun] [noun] | 12 |
|
| 5 | could use [noun] [noun sg] | 7 |
|
