No | Pattern | Freq | Relations |
---|---|---|---|
1 | [pron] is necessary [verb] this [noun] | 6 | |
2 | [pers pn] is necessary [verb] this [noun] | 6 | |
3 | it is necessary [verb] this [noun] | 6 | |
4 | it is necessary [verb] this [noun] | 6 | |
5 | is [adv] necessary [verb] this [noun] | 6 |