| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [verb] | 51078 |
|
| 2 | [Wh det] [be] [verb] | 29824 |
|
| 3 | [Wh det] it [be] | 7068 |
|
| 4 | [Wh det] it [verb] | 5178 |
|
