| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] i [was/were] [verb] [prep] | 661 |
|
| 2 | [subord] i [was/were] [v-ing] [prep] | 417 |
|
| 3 | [subord] [pron] [was/were] working [prep] | 120 |
|
| 4 | [conj] i [was/were] working [prep] | 51 |
|
| 5 | [subord] i [be] working [prep] | 48 |
|
| 6 | [subord] i [was/were] working [prep] | 38 |
|
| 7 | [subord] i [was/were] work [prep] | 38 |
|
