| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to find out what be going on | 29 |
|
| 2 | to find out what [is] going on | 22 |
|
| 3 | to find out what 's going on | 15 |
|
| 4 | to find out what was going on | 7 |
|
| 5 | to find out what is going on | 7 |
|
| 6 | to find out what [was/were] going on | 7 |
|
