| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] they could [verb] [noun] | 18 |
|
| 2 | [vb past] they could raise [noun] | 5 |
|
| 3 | [vb past] they [modal v] raise [noun] | 5 |
|
| 4 | [verb] they could raise [noun] | 5 |
|
| 5 | [vb past] [pron] could raise [noun] | 5 |
|
| 6 | [vb past] [pers pn] could raise [noun] | 5 |
|
