| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] what [is] [vb pp] [prep] | 341 |
|
| 2 | [noun prp] [verb] [is] [vb pp] [prep] | 14 |
|
| 3 | [noun prp] [verb] what [is] [vb pp] | 8 |
|
| 4 | [noun prp] [verb] what [is] [prep] | 5 |
|
