| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] what is [vb pp] [prep] | 114 |
|
| 2 | [adv] what is [vb pp] [prep] | 80 |
|
| 3 | [adv] [conj] is [vb pp] [prep] | 58 |
|
| 4 | [adv] [conj] what is [vb pp] | 17 |
|
