| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] at [adj] stage | 45 |
|
| 2 | [vb past] at [det] stage | 27 |
|
| 3 | [vb past] at [num] stage | 18 |
|
| 4 | [vb past] at one stage | 18 |
|
| 5 | [vb past] at one stage | 18 |
|
| 6 | [vb past] at this stage | 13 |
|
| 7 | [vb past] at this stage | 13 |
|
| 8 | [vb past] at that stage | 9 |
|
| 9 | had at [adj] stage | 9 |
|
| 10 | [vb past] at that stage | 9 |
|
