| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what be happening | 1954 |
|
| 2 | what was happen | 716 |
|
| 3 | what 's happen | 673 |
|
| 4 | what is happen | 629 |
|
| 5 | what be to happen | 56 |
|
| 6 | what be happen | 7 |
|
