No | Pattern | Freq | Relations |
---|---|---|---|
1 | be necessary [verb] [adj] [noun pl] | 63 | |
2 | [be] necessary [verb] [adj] [noun pl] | 63 | |
3 | [be] necessary [to-vb] [adj] [noun pl] | 63 | |
4 | [is] necessary [verb] [adj] [noun pl] | 30 | |
5 | is necessary [verb] [adj] [noun pl] | 29 | |
6 | [be] necessary [verb] [adj] [noun pl] | 22 | |
7 | be necessary [verb] [adj] [noun pl] | 22 | |
8 | [be] necessary [verb] certain [noun pl] | 6 | |
9 | [be] necessary [verb] new [noun pl] | 6 | |
10 | [was/were] necessary [verb] [adj] [noun pl] | 6 |