| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] what [is] [prep] | 93 |
|
| 2 | [to-vb] what [is] [prep] | 89 |
|
| 3 | [adv] [to-vb] what [is] | 60 |
|
| 4 | [adv] [to-vb] what [prep] | 5 |
|
