| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] happening in [det] [noun pl] | 5 |
|
| 2 | is happening in [det] [noun pl] | 5 |
|
| 3 | [be] happening in [det] [noun pl] | 5 |
|
| 4 | be happening in [det] [noun pl] | 5 |
|
