| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] all [pron] could | 45 |
|
| 2 | [vb past] all [pers pn] could | 45 |
|
| 3 | [verb] all they could | 18 |
|
| 4 | [vb past] [adj] they could | 15 |
|
| 5 | [vb past] all they [modal v] | 11 |
|
| 6 | [vb past] all they could | 10 |
|
