| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] out what was going on | 16 |
|
| 2 | find out what was going on | 15 |
|
| 3 | to find out what was going on | 7 |
|
| 4 | find out what was going on | 5 |
|
| 5 | work out what was going on | 5 |
|
| 6 | [vb base] out what was going on | 5 |
|
