| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] happening [conj] [pron] be [adv] | 6 |
|
| 2 | [is] happening [conj] [pers pn] [be] [adv] | 5 |
|
| 3 | [is] happening [coord] [pron] [be] [adv] | 5 |
|
