| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] been going on | 27 |
|
| 2 | it have be going on | 27 |
|
| 3 | it [vb -s] be going on | 24 |
|
| 4 | it 's be going on | 19 |
|
| 5 | it has be going on | 5 |
|
