| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] could [verb] [pron] | 181 |
|
| 2 | [coord] [modal v] [verb] their | 97 |
|
| 3 | [coord] [vb mod] [verb] their | 97 |
|
| 4 | [conj] could [verb] their | 23 |
|
| 5 | [coord] could [verb] their | 8 |
|
