| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could [adv] [verb] | 19954 |
|
| 2 | [pers pn] [adv] [adv] [verb] | 5265 |
|
| 3 | could [adv] [adv] [verb] | 2437 |
|
| 4 | [pers pn] could [adv] [adv] | 1827 |
|
