| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] [verb] [prep] | 1429 |
|
| 2 | [was/were] [v-ing] [verb] i | 221 |
|
| 3 | [v-ing] [verb] i [prep] | 163 |
|
| 4 | [was/were] [verb] i [prep] | 153 |
|
| 5 | [was/were] [v-ing] i [prep] | 121 |
|
