| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [was/were] [verb] [prep] [art] | 1171 |
|
| 2 | [Wh pn] [was/were] [v-ing] [prep] [art] | 382 |
|
| 3 | [pron] [was/were] working [prep] [art] | 253 |
|
| 4 | [Wh pn] [be] working [prep] [art] | 59 |
|
| 5 | [Wh pn] [was/were] work [prep] [art] | 23 |
|
| 6 | [Wh pn] [was/were] working [prep] [art] | 22 |
|
| 7 | [Wh pn] [was/were] working [prep] [art] | 22 |
|
