| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] yesterday as | 21 |
|
| 2 | [was/were] [vb pp] yesterday as | 19 |
|
| 3 | was [vb pp] yesterday as | 13 |
|
| 4 | were [vb pp] yesterday as | 6 |
|
