No | Pattern | Freq | Relations |
---|---|---|---|
1 | be [adv] necessary for [adj] | 13 | |
2 | is [adv] necessary for [adj] | 9 | |
3 | be [adv] necessary for [adj] | 8 | |
4 | be [adv] necessary for [adj] | 7 | |
5 | be not necessary for [adj] | 5 | |
6 | be [not/n't] necessary for [adj] | 5 | |
7 | be [adv] necessary for [det] | 5 |