No | Pattern | Freq | Relations |
---|---|---|---|
1 | [coord] it be [adv] necessary [to-vb] | 48 | |
2 | [coord] it be [adv] necessary [to-vb] | 36 | |
3 | [coord] it be often [adj] [to-vb] | 28 | |
4 | [conj] it be often necessary [to-vb] | 6 | |
5 | [coord] it be often necessary [to-vb] | 5 | |
6 | [coord] it be often necessary [verb] | 5 | |
7 | [coord] it [be] often necessary [to-vb] | 5 | |
8 | [coord] it be often necessary [to-vb] | 5 | |
9 | [coord] [pers pn] be often necessary [to-vb] | 5 | |
10 | [coord] [pron] be often necessary [to-vb] | 5 |