| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] on the | 3398 |
|
| 2 | [was/were] [v-ing] on the | 969 |
|
| 3 | [was/were] [v-ing] [verb] the | 949 |
|
| 4 | [v-ing] [verb] on the | 290 |
|
| 5 | [was/were] [v-ing] [verb] on | 113 |
|
