| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | step which could be take by | 5 |
|
| 2 | step which could be [verb] by | 5 |
|
| 3 | step which could be taken by | 5 |
|
| 4 | step which could be [verb] by | 5 |
|
| 5 | step which could be [vb pp] by | 5 |
|
