| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] they could [vb infin] | 1608 |
|
| 2 | so [pron] could [vb infin] | 570 |
|
| 3 | so [pers pn] could [vb infin] | 557 |
|
| 4 | so they [modal v] [vb infin] | 391 |
|
| 5 | so they could [vb infin] | 80 |
|
| 6 | so they could [verb] | 80 |
|
