| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] they could | 3214 |
|
| 2 | [subord] they could | 1561 |
|
| 3 | for [pron] could | 127 |
|
| 4 | for they [vb mod] | 114 |
|
| 5 | for they [modal v] | 114 |
|
| 6 | for they could | 22 |
|
| 7 | for they could | 22 |
|
