| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] at an [adj] [noun sg] | 78 |
|
| 2 | [be] [verb] at an [adj] [noun] | 78 |
|
| 3 | [be] [verb] at an [adj] stage | 53 |
|
| 4 | [be] [verb] at [art] [adj] stage | 44 |
|
| 5 | [be] [verb] at [art] [adj] stage | 44 |
|
| 6 | [be] [verb] at a [adj] stage | 39 |
|
| 7 | [be] [verb] [prep] an [adj] stage | 31 |
|
| 8 | [be] [verb] at an [adj] stage | 29 |
|
