| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] they [vb infin] | 6163 |
|
| 2 | they could [vb infin] | 4286 |
|
| 3 | [verb] they could | 640 |
|
| 4 | [verb] could [vb infin] | 339 |
|
