| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [verb] [adv] a | 1115 |
|
| 2 | [noun sg] could [verb] a | 788 |
|
| 3 | [noun sg] could [verb] [adv] | 571 |
|
| 4 | could [verb] [adv] a | 98 |
|
