| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [vb pp] at an [adj] stage | 9 |
|
| 2 | was [vb pp] at [art] early stage | 9 |
|
| 3 | was [vb pp] at [art] early stage | 8 |
|
| 4 | was [vb pp] at [art] [adj] stage | 8 |
|
