| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [is] [adv] [verb] | 692 |
|
| 2 | [v-ing] what [is] [verb] | 142 |
|
| 3 | [v-ing] [is] [adv] [verb] | 117 |
|
| 4 | [v-ing] what [is] [adv] | 48 |
|
| 5 | [v-ing] what [adv] [verb] | 25 |
|
