| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] [prep] | 26019 |
|
| 2 | [v-ing] [prep] some | 1547 |
|
| 3 | [was/were] [prep] some | 370 |
|
| 4 | [was/were] [v-ing] some | 286 |
|
