No | Pattern | Freq | Relations |
---|---|---|---|
1 | [pers pn] is necessary [verb] [num] [noun] | 12 | |
2 | it is necessary [verb] [num] [noun] | 12 | |
3 | it is necessary [verb] [num] [noun] | 12 | |
4 | [pron] is necessary [verb] [num] [noun] | 12 | |
5 | is necessary [verb] [num] [noun] [prep] | 8 | |
6 | is necessary [verb] [num] [noun] [prep] | 8 |