| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [adv] happen [prep] | 21 |
|
| 2 | as [adv] happen [prep] | 21 |
|
| 3 | [subord] [adv] happens [prep] | 20 |
|
| 4 | [subord] often happen [prep] | 14 |
|
| 5 | [subord] often happen [prep] | 14 |
|
| 6 | [subord] [adv] happen in | 10 |
|
| 7 | [subord] [adv] happen with | 7 |
|
