| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adv] [v-ing] | 17668 |
|
| 2 | [adv] [v-ing] work | 76 |
|
| 3 | [was/were] [v-ing] work | 16 |
|
| 4 | [was/were] [adv] work | 9 |
|
