| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | as [art] first step | 118 |
|
| 2 | as a first step | 87 |
|
| 3 | as a first step | 87 |
|
| 4 | as the first step | 31 |
|
| 5 | as the first step | 31 |
|
