| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the first stage [prep] | 276 |
|
| 2 | [art] first stage of | 206 |
|
| 3 | [art] first stage in | 65 |
|
| 4 | a first stage [prep] | 16 |
|
| 5 | [art] first stage towards | 9 |
|
