| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [vb infin] what was going on | 46 |
|
| 2 | n't [verb] what was going on | 40 |
|
| 3 | not know what was going on | 36 |
|
| 4 | not know what was going on | 34 |
|
| 5 | not [verb] what was going on | 11 |
|
| 6 | not understand what was going on | 5 |
|
| 7 | not understand what was going on | 5 |
|
