| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] at [art] [adj] [noun] | 617 |
|
| 2 | [was/were] [vb pp] at [art] [adj] [noun sg] | 542 |
|
| 3 | [be] [vb pp] at [art] [adj] stage | 93 |
|
| 4 | [was/were] [vb pp] [prep] [art] [adj] stage | 33 |
|
| 5 | [was/were] [verb] at [art] [adj] stage | 26 |
|
| 6 | [was/were] [vb pp] at [art] [adj] stage | 24 |
|
