| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [verb] had [noun] | 7 |
|
| 2 | could [adv] [vb infin] had [noun] | 7 |
|
| 3 | could [adv] have had [noun] | 7 |
|
| 4 | could [adv] have had [noun] | 7 |
|
| 5 | could [adv] [verb] had [noun sg] | 6 |
|
| 6 | could not [verb] had [noun] | 5 |
|
| 7 | could [not/n't] [verb] had [noun] | 5 |
|
