| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [verb] that [noun] | 149 |
|
| 2 | [pron] [was/were] [v-ing] that [noun] | 101 |
|
| 3 | it [was/were] [v-ing] [adj] [noun] | 84 |
|
| 4 | it [be] [v-ing] that [noun] | 22 |
|
