No | Pattern | Freq | Relations |
---|---|---|---|
1 | [subord] it is [adj] [verb] | 1073 | |
2 | [conj] it is necessary [verb] | 173 | |
3 | [subord] it [be] necessary [verb] | 108 | |
4 | [subord] it be necessary [verb] | 108 | |
5 | [subord] it [is] necessary [verb] | 90 | |
6 | [subord] [pron] is necessary [verb] | 85 |