| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be achieved [prep] a [adj] | 41 |
|
| 2 | can be achieved [prep] [adj] | 39 |
|
| 3 | can be achieved [prep] a | 31 |
|
| 4 | can be [prep] a [adj] | 13 |
|
