| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] at [det] stage [prep] | 17 |
|
| 2 | be [vb pp] at this stage [prep] | 9 |
|
| 3 | be [vb pp] at this stage [prep] | 9 |
|
| 4 | be [vb pp] at any stage [prep] | 6 |
|
| 5 | be [vb pp] at any stage [prep] | 6 |
|
