| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was going on at the [noun] | 8 |
|
| 2 | was go on at the [noun] | 8 |
|
| 3 | was go on at the [noun sg] | 8 |
|
| 4 | was go on at the [noun] | 8 |
|
| 5 | was go on at the time | 5 |
|
| 6 | was go on at the time | 5 |
|
