| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is for [noun] | 119 |
|
| 2 | [Wh det] it is [noun] | 54 |
|
| 3 | [Wh det] it is for | 41 |
|
| 4 | [Wh det] is for [noun] | 15 |
|
