| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] [conj] [pron] [verb] | 594 |
|
| 2 | [was/were] [verb] if [pron] [verb] | 85 |
|
| 3 | [be] [v-ing] if [pron] [verb] | 83 |
|
