| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] work on a [noun] [prep] | 11 |
|
| 2 | [was/were] working on a [noun] [prep] | 11 |
|
| 3 | [was/were] work on a [noun sg] [prep] | 10 |
|
| 4 | [was/were] work on a [noun] of | 9 |
|
| 5 | [was/were] work on a [noun] of | 9 |
|
| 6 | was work on a [noun] [prep] | 8 |
|
