| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be the first stage [prep] | 30 |
|
| 2 | is [art] first stage [prep] | 20 |
|
| 3 | be [art] first stage of | 17 |
|
| 4 | be [art] first stage in | 11 |
|
| 5 | was [art] first stage [prep] | 5 |
|
