| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [is] [adv] [verb] | 274 |
|
| 2 | of [pron] [is] [adv] [verb] | 204 |
|
| 3 | of what [be] [adv] [verb] | 172 |
|
| 4 | of [Wh det] [is] [adv] [verb] | 147 |
|
| 5 | of what [is] [adv] [verb] | 97 |
|
