| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] happen [be] | 10 |
|
| 2 | [Wh det] happen [be] | 6 |
|
| 3 | what happen [be] | 6 |
|
| 4 | what happen [be] | 6 |
|
| 5 | happen [prep] [be] | 243 |
|
| 6 | happen [prep] [be] | 243 |
|
| 7 | happen to [be] | 243 |
|
| 8 | happen to [be] | 243 |
|
| 9 | happen [to-vb] [be] | 14 |
|
| 10 | happen [verb] [be] | 14 |
|
| 11 | happen have [be] | 10 |
|
| 12 | happen to have [be] | 10 |
|
| 13 | happen [pron] [be] | 5 |
|
