No | Pattern | Freq | Relations |
---|---|---|---|
1 | is necessary [verb] [adj] [noun pl] | 63 | |
2 | is [adj] [verb] two [noun pl] | 29 | |
3 | is necessary [verb] [num] [noun pl] | 11 | |
4 | [be] necessary [verb] two [noun pl] | 10 | |
5 | be necessary [verb] two [noun pl] | 10 | |
6 | is necessary [verb] two [noun pl] | 6 | |
7 | is necessary [verb] two [noun] | 6 | |
8 | [is] necessary [verb] two [noun pl] | 6 |