| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [adv] [verb] to | 3081 |
|
| 2 | [vb -s] [adv] happen [prep] | 135 |
|
| 3 | [vb -s] [adv] happen [prep] | 135 |
|
| 4 | [verb] [adv] happen to | 113 |
|
| 5 | [vb -s] [adv] happen to | 60 |
|
