| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [verb] [noun sg] | 378 |
|
| 2 | could [adv] [vb infin] [noun sg] | 378 |
|
| 3 | [modal v] [adv] have [noun sg] | 217 |
|
| 4 | could [adv] have [noun] | 22 |
|
| 5 | could [adv] have [noun sg] | 20 |
|
| 6 | could [adv] have [noun sg] | 13 |
|
