| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | help improve [art] | 24 |
|
| 2 | help improve the | 24 |
|
| 3 | help improve the | 24 |
|
| 4 | help to improve [art] | 16 |
|
| 5 | help improve [art] | 8 |
|
