| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] a [noun sg] | 2365 |
|
| 2 | we could [vb infin] a | 327 |
|
| 3 | we [vb infin] a [noun sg] | 315 |
|
| 4 | we could [vb infin] [noun sg] | 109 |
|
