| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] it [verb] [be] [verb] for | 11 |
|
| 2 | [Wh det] it [verb] [be] [vb pp] for | 6 |
|
| 3 | [Wh det] it [verb] [be] [v-ing] for | 5 |
|
