| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [be] [Wh det] [be] [verb] in | 8 |
|
| 2 | [det] [be] [Wh det] [be] [v-ing] in | 6 |
|
| 3 | [det] [be] [Wh det] [be] happening in | 5 |
|
| 4 | [det] [be] [Wh det] [be] happen in | 5 |
|
