| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [adv] happen [prep] | 26 |
|
| 2 | which [adv] happen [prep] | 26 |
|
| 3 | which [adv] happen to | 22 |
|
| 4 | which [adv] happen to | 22 |
|
| 5 | which [adv] happens [prep] | 13 |
|
| 6 | which just happen [prep] | 10 |
|
| 7 | which [adv] happened [prep] | 10 |
|
| 8 | which also happen [prep] | 9 |
|
