| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [Wh det] [be] happening [prep] | 240 |
|
| 2 | [verb] [adv] [Wh det] [be] [prep] | 31 |
|
| 3 | [verb] [adv] [Wh det] [be] happening | 29 |
|
| 4 | [adv] [Wh det] [be] happening [prep] | 26 |
|
| 5 | [verb] [adv] [be] happening [prep] | 6 |
|
