| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] [indef pn] | 743 |
|
| 2 | [was/were] [v-ing] [indef pn] | 584 |
|
| 3 | [was/were] doing [pron] | 531 |
|
| 4 | [be] doing [indef pn] | 520 |
|
| 5 | [was/were] do [indef pn] | 125 |
|
