| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] [pron] [verb] | 702 |
|
| 2 | [v-ing] when [pron] [verb] | 469 |
|
| 3 | [was/were] [v-ing] when [pron] | 128 |
|
| 4 | [was/were] when [pron] [verb] | 85 |
|
