| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [verb] [Wh adv] | 92 |
|
| 2 | to [v-ing] [Wh adv] | 89 |
|
| 3 | to [verb] how | 61 |
|
| 4 | to [verb] why | 23 |
|
| 5 | to explain [Wh adv] | 20 |
|
| 6 | to explaining [Wh adv] | 20 |
|
| 7 | to understanding [Wh adv] | 11 |
|
| 8 | to understand [Wh adv] | 11 |
|
| 9 | to see [Wh adv] | 9 |
|
| 10 | to decide [Wh adv] | 7 |
|
| 11 | to deciding [Wh adv] | 7 |
|
| 12 | to learn [Wh adv] | 6 |
|
| 13 | to show [Wh adv] | 6 |
|
| 14 | to showing [Wh adv] | 6 |
|
| 15 | to seeing [Wh adv] | 6 |
|
| 16 | to learning [Wh adv] | 6 |
|
| 17 | to [verb] where | 5 |
|
