| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [verb] to | 7089 |
|
| 2 | [pron] happen to | 2077 |
|
| 3 | they happen [prep] | 70 |
|
| 4 | they happen [prep] | 70 |
|
| 5 | they happen to | 55 |
|
