| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | work be on | 30 |
|
| 2 | work [be] on | 30 |
|
| 3 | work [is] on | 21 |
|
| 4 | work is on | 18 |
|
| 5 | work was on | 9 |
|
| 6 | work [was/were] on | 9 |
|
