| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [that] they [modal v] [verb] | 214 |
|
| 2 | [verb] [that] they could [verb] | 154 |
|
| 3 | [vb base] [that] [pron] could [verb] | 98 |
|
| 4 | [vb base] [conj] they could [verb] | 26 |
|
