| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb past] [pron] was [v-ing] | 627 |
|
| 2 | when i [vb past] [pron] was | 89 |
|
| 3 | when i [vb past] [pron] [v-ing] | 25 |
|
