| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] at [det] stage [conj] | 8 |
|
| 2 | [adv prt] at this stage [conj] | 6 |
|
| 3 | [adv prt] at this stage [conj] | 6 |
|
| 4 | [adv prt] at [adj] stage [subord] | 5 |
|
