| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it [is] [verb] [prep] [verb] | 49 |
|
| 2 | [subord] it [is] [verb] [prep] [verb] | 22 |
|
| 3 | [subord] it [be] [verb] for [verb] | 11 |
|
| 4 | [subord] [pron] [is] [verb] for [verb] | 9 |
|
| 5 | [conj] it [is] [verb] for [verb] | 7 |
|
| 6 | [subord] it [is] [verb] for [verb] | 7 |
|
