| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [is] [adv] [verb] | 692 |
|
| 2 | [to-vb] what [is] [verb] | 406 |
|
| 3 | [to-vb] what [is] [adv] | 121 |
|
| 4 | [to-vb] [is] [adv] [verb] | 118 |
|
| 5 | [to-vb] what [adv] [verb] | 38 |
|
