| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] it [verb] [be] | 488 |
|
| 2 | [is] [Wh det] it [be] | 416 |
|
| 3 | [is] [Wh det] it [verb] | 240 |
|
| 4 | [is] [Wh det] [verb] [be] | 45 |
|
