| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] a [noun sg] | 317933 |
|
| 2 | could [verb] a | 4858 |
|
| 3 | could [verb] [noun sg] | 2313 |
|
| 4 | could a [noun sg] | 127 |
|
