No | Pattern | Freq | Relations |
---|---|---|---|
1 | [conj] [pron] is [adv] necessary [verb] | 95 | |
2 | [conj] [pron] is often [adj] [verb] | 57 | |
3 | [conj] [pron] is [adv] necessary [verb] | 51 | |
4 | [conj] [pron] is often [adj] [verb] | 47 | |
5 | [conj] [pron] [be] often necessary [verb] | 7 | |
6 | [conj] [pron] be often necessary [verb] | 7 | |
7 | [conj] [pron] [is] often necessary [verb] | 6 | |
8 | [conj] [pron] is often necessary [verb] | 6 | |
9 | [conj] [pron] is often necessary [verb] | 6 |