| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [verb] at [det] stage | 22 |
|
| 2 | [adj] [to-vb] at [det] stage | 20 |
|
| 3 | [adj] [verb] at this stage | 17 |
|
| 4 | difficult [verb] at [det] stage | 5 |
|
