| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [vb mod] only be achieved | 26 |
|
| 2 | [det] [vb mod] only [be] achieved | 26 |
|
| 3 | this [vb mod] only [be] achieved | 25 |
|
| 4 | [det] can only [be] achieved | 17 |
|
| 5 | [det] could only [be] achieved | 8 |
|
