| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] what is going on | 128 |
|
| 2 | [to-vb] what is going on | 49 |
|
| 3 | understand what is going on | 27 |
|
| 4 | to understand what be going on | 22 |
|
| 5 | to understand what [be] going on | 22 |
|
| 6 | to understand what [is] going on | 16 |
|
| 7 | to understand [Wh det] is going on | 14 |
|
| 8 | to understand what is [verb] on | 14 |
|
| 9 | to understand [pron] is going on | 14 |
|
| 10 | to understand what is going on | 14 |
|
| 11 | to understand what is going [adv prt] | 14 |
|
| 12 | to understand what is going on | 14 |
|
| 13 | to understand what is going [adv] | 14 |
|
| 14 | to understand what is go on | 14 |
|
| 15 | to understand what is [v-ing] on | 14 |
|
