| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [vb infin] a | 2640 |
|
| 2 | [pron] could [vb infin] [noun pl] | 810 |
|
| 3 | could [vb infin] a [noun pl] | 8 |
|
| 4 | [pron] [vb infin] a [noun pl] | 7 |
|
