| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [conj] it [be] [v-ing] [prep] | 23 |
|
| 2 | [subord] [conj] [pron] [be] [v-ing] [to] | 21 |
|
| 3 | [conj] [conj] it [be] [v-ing] [to] | 16 |
|
| 4 | [subord] [conj] it [be] [verb] [to] | 5 |
|
