| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] what is [verb] | 193 |
|
| 2 | [vb base] what it is | 184 |
|
| 3 | [vb base] what it [verb] | 164 |
|
| 4 | what it is [verb] | 143 |
|
| 5 | [vb base] it is [verb] | 118 |
|
