| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] at a [adj] [noun] | 1311 |
|
| 2 | [vb pp] at a [adj] [noun sg] | 1267 |
|
| 3 | [verb] at a [adj] stage | 186 |
|
| 4 | [vb pp] [prep] a [adj] stage | 158 |
|
| 5 | [vb pp] [prep] a [adj] stage | 158 |
|
| 6 | [vb pp] at [art] [adj] stage | 134 |
|
| 7 | [vb pp] at a [adj] stage | 111 |
|
| 8 | [vb pp] at a [adj] stage | 111 |
|
