| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it was [verb] [prep] [noun] [prep] | 423 |
|
| 2 | [pron] was [v-ing] [prep] [noun] [prep] | 370 |
|
| 3 | it [be] [v-ing] [prep] [noun] [prep] | 53 |
|
| 4 | it be [v-ing] [prep] [noun] [prep] | 53 |
|
| 5 | it [was/were] [v-ing] [prep] [noun] [prep] | 12 |
|
| 6 | it was [v-ing] [prep] [noun] [prep] | 12 |
|
| 7 | it was [v-ing] [prep] [noun] [prep] | 12 |
|
