| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | believe [pron] have happened | 12 |
|
| 2 | believe what have happen | 11 |
|
| 3 | believe what have happen | 11 |
|
| 4 | believe [Wh det] have happen | 11 |
|
| 5 | believe [pron] had happen | 6 |
|
