| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] [to-vb] [Wh det] [noun] | 9 |
|
| 2 | was [v-ing] [verb] [Wh det] [noun] | 8 |
|
| 3 | [was/were] [v-ing] [verb] [Wh det] [noun sg] | 8 |
|
| 4 | [was/were] [v-ing] [verb] what [noun] | 6 |
|
