| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [verb] at a [adj] stage | 15 |
|
| 2 | [verb] [verb] at an [adj] stage | 14 |
|
| 3 | [verb] [verb] at a early stage | 14 |
|
| 4 | [verb] [verb] at a early stage | 10 |
|
| 5 | [verb] [verb] at a [adj] stage | 10 |
|
| 6 | [verb] [vb pp] at a [adj] stage | 9 |
|
| 7 | have [verb] at a [adj] stage | 8 |
|
| 8 | [vb past] [verb] at a [adj] stage | 6 |
|
| 9 | [verb] [to-vb] at a [adj] stage | 5 |
|
| 10 | [verb] [verb] at a [adj -er] stage | 5 |
|
