| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [pron] could | 1203 |
|
| 2 | [det] they [vb mod] | 409 |
|
| 3 | [det] they [modal v] | 409 |
|
| 4 | [adj] they could | 222 |
|
| 5 | [det] they could | 104 |
|
