| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [vb infin] a [noun] | 1596 |
|
| 2 | [noun pl] could [vb infin] a [noun] | 131 |
|
| 3 | [noun pl] [pron] could [vb infin] [noun] | 102 |
|
| 4 | [noun pl] [pron] could [vb infin] a | 48 |
|
