| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | refers [prep] [art] ability | 7 |
|
| 2 | refers [prep] [art] ability | 7 |
|
| 3 | refers to [art] ability | 7 |
|
| 4 | refers [prep] the ability | 6 |
|
| 5 | refers [prep] the ability | 6 |
|
