| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [pron] [be] [verb] as [v-ing] | 29 |
|
| 2 | [subord] it [be] [verb] [conj] [v-ing] | 20 |
|
| 3 | [conj] it [be] [verb] as [v-ing] | 11 |
|
| 4 | [subord] it [be] [verb] as [verb] | 10 |
|
