| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adj] a [noun sg] | 290 |
|
| 2 | at [adj] stage [noun sg] | 31 |
|
| 3 | at [adj] stage a | 27 |
|
| 4 | [adj] stage a [noun sg] | 16 |
|
