| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] i [vb past] [noun prp] be [v-ing] | 10 |
|
| 2 | [subord] i [vb past] [noun prp] [was/were] [v-ing] | 9 |
|
| 3 | [subord] i [vb past] [noun prp] was [v-ing] | 9 |
|
| 4 | when i [vb past] [noun prp] [be] [v-ing] | 5 |
|
