| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be achieved [prep] [adj] | 84 |
|
| 2 | [modal v] only be achieved [prep] | 65 |
|
| 3 | [modal v] only be [prep] [adj] | 11 |
|
| 4 | only be achieved [prep] [adj] | 8 |
|
