No | Pattern | Freq | Relations |
---|---|---|---|
1 | is [adj] for [verb] | 618 | |
2 | is essential [prep] [verb] | 39 | |
3 | is essential [prep] [verb] | 39 | |
4 | be essential for [verb] | 39 | |
5 | [be] essential for [verb] | 39 | |
6 | is essential for [verb] | 20 | |
7 | [is] essential for [verb] | 20 |