| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] a [noun sg] | 17226 |
|
| 2 | could [verb] a [noun sg] | 2367 |
|
| 3 | could [verb] [adv] a | 262 |
|
| 4 | could [verb] [adv] [noun sg] | 85 |
|
