| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] [noun] in | 376 |
|
| 2 | it [was/were] [v-ing] [noun] | 189 |
|
| 3 | it [was/were] [v-ing] in | 72 |
|
| 4 | it [was/were] [noun] in | 67 |
|
