| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [verb] [art] | 2631 |
|
| 2 | how [to-vb] [art] | 2014 |
|
| 3 | [adv] to perform [art] | 34 |
|
| 4 | [Wh adv] to perform [art] | 10 |
|
| 5 | how perform [art] | 10 |
|
| 6 | how to perform [art] | 10 |
|
