| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to use [adv] | 373 |
|
| 2 | [verb] whenever | 317 |
|
| 3 | [to-vb] whenever | 41 |
|
| 4 | use whenever | 21 |
|
| 5 | to use [Wh adv] | 14 |
|
| 6 | to use whenever | 7 |
|
