| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be the [num ord] stage of | 27 |
|
| 2 | be the first stage of | 17 |
|
| 3 | is the [num ord] stage of | 14 |
|
| 4 | was the [num ord] stage of | 6 |
|
| 5 | be the next stage of | 6 |
|
