| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [Wh det] [pron] is | 927 |
|
| 2 | [to-vb] [Wh det] [pron] [be] | 848 |
|
| 3 | [to-vb] [Wh det] [pron] be | 848 |
|
| 4 | [to-vb] [pron] [pron] is | 258 |
|
| 5 | [to-vb] [Wh det] [pron] [is] | 218 |
|
