| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [coord] [Wh adv] [to-vb] | 9 |
|
| 2 | [v-ing] and [Wh adv] [to-vb] | 9 |
|
| 3 | [v-ing] and [Wh adv] [to-vb] | 9 |
|
| 4 | [v-ing] [conj] how [to-vb] | 8 |
|
