No | Pattern | Freq | Relations |
---|---|---|---|
1 | [noun] [verb] it necessary for [pron] | 5 | |
2 | [verb] it be necessary for [pron] | 9 | |
3 | [verb] it [be] necessary for [pron] | 9 | |
4 | [verb] it [is] necessary for [pron] | 7 | |
5 | [verb] it 's necessary for [pron] | 6 | |
6 | [verb] it necessary for [pron] [to-vb] | 8 | |
7 | [verb] it necessary for [pron] [verb] | 8 |