| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] 're | 6338 |
|
| 2 | happen [pron] [be] | 116 |
|
| 3 | happen [pron] be | 116 |
|
| 4 | happen [pron] [am/are] | 21 |
|
