No | Pattern | Freq | Relations |
---|---|---|---|
1 | is necessary [verb] such statements | 5 | |
2 | is necessary [verb] [det] statements | 5 | |
3 | is necessary [verb] [adj] statements | 5 | |
4 | is necessary understand [adj] statements | 5 | |
5 | is necessary [to-vb] [adj] statements | 5 | |
6 | is necessary to understand [adj] statements | 5 | |
7 | is necessary [verb] such statements | 5 |