| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] what is [vb pp] [prep] | 312 |
|
| 2 | [be] [verb] is [vb pp] [prep] | 145 |
|
| 3 | [be] what is [vb pp] [prep] | 84 |
|
| 4 | [be] [verb] what is [vb pp] | 20 |
|
| 5 | [be] [verb] what is [prep] | 7 |
|
