| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] it is [prep] | 125 |
|
| 2 | [Wh det] it is [prep] [be] | 83 |
|
| 3 | [prep] [Wh det] is [prep] [be] | 44 |
|
| 4 | [prep] it is [prep] [be] | 11 |
|
