| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [noun] [verb] they could [vb infin] | 7 |
|
| 2 | [subord] [noun] [verb] they could [verb] | 7 |
|
| 3 | [subord] [noun pl] [verb] they could [verb] | 7 |
|
