| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this [vb mod] only [be] achieved | 25 |
|
| 2 | this [vb mod] only be achieved | 25 |
|
| 3 | this can only [be] achieved | 17 |
|
| 4 | this could only [be] achieved | 7 |
|
