| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what it [be] | 634 |
|
| 2 | what it [be] for | 80 |
|
| 3 | [prep] it [be] for | 21 |
|
| 4 | [prep] what [be] for | 19 |
|
