| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | understand what is going on | 27 |
|
| 2 | understand what be going on | 25 |
|
| 3 | to understand what be going on | 22 |
|
| 4 | understand what was going on | 19 |
|
| 5 | understand what 's going on | 15 |
|
| 6 | understood what be going on | 5 |
|
| 7 | understand what be going on | 5 |
|
