| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what was [verb] at the [noun] | 27 |
|
| 2 | what was [verb] at [art] [noun sg] | 24 |
|
| 3 | what was [vb pp] at [art] [noun] | 19 |
|
| 4 | what was [verb] at [art] time | 11 |
|
| 5 | what was [verb] at [art] time | 11 |
|
| 6 | what was [v-ing] at [art] [noun] | 8 |
|
| 7 | what was happen at [art] [noun] | 7 |
|
| 8 | what was happening at [art] [noun] | 7 |
|
| 9 | what was said at [art] [noun] | 6 |
|
| 10 | what was say at [art] [noun] | 6 |
|
