| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] a [unc] | 846 |
|
| 2 | [was/were] [art] [unc] | 481 |
|
| 3 | [was/were] [art] [unc] | 481 |
|
| 4 | [was/were] a [unc] | 235 |
|
