| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adj] [pron] could | 421 |
|
| 2 | be [adj] they [modal v] | 413 |
|
| 3 | be [adj] [pers pn] could | 389 |
|
| 4 | be [adj] they could | 42 |
|
| 5 | [be] [adj] they could | 42 |
|
