| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] it is | 1466 |
|
| 2 | [Wh det] it is for | 41 |
|
| 3 | [prep] [Wh det] is for | 10 |
|
| 4 | [prep] it is for | 7 |
|
