| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they could [verb] [adv] | 524 |
|
| 2 | what they [verb] [adv] | 432 |
|
| 3 | what they could [verb] | 96 |
|
| 4 | what they could [adv] | 17 |
|
| 5 | what could [verb] [adv] | 11 |
|
