| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] what [verb] | 2159 |
|
| 2 | [adv] [verb] [is] | 1940 |
|
| 3 | [adv] what [is] | 1486 |
|
| 4 | what [verb] [is] | 406 |
|
