| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could [verb] a | 2609 |
|
| 2 | [pers pn] could [verb] [det] | 1962 |
|
| 3 | [pers pn] [verb] a [det] | 1199 |
|
| 4 | could [verb] a [det] | 72 |
|
