| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb infin] a [noun sg] | 4045 |
|
| 2 | could [vb infin] a [noun sg] | 2365 |
|
| 3 | could [adv] [vb infin] a | 645 |
|
| 4 | could [adv] [vb infin] [noun sg] | 378 |
|
