| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [adj] [pron] could | 183 |
|
| 2 | was confident [pron] [modal v] | 13 |
|
| 3 | be confident [pron] could | 10 |
|
| 4 | [be] confident [pron] could | 10 |
|
| 5 | [was/were] confident [pron] could | 8 |
|
