| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adj] [indef pn] could | 9 |
|
| 2 | [was/were] [adj] [indef pn] could | 7 |
|
| 3 | [be] [det] [indef pn] could | 7 |
|
| 4 | was [adj] [indef pn] could | 5 |
|
| 5 | [be] [adj] one could | 5 |
|
