No | Pattern | Freq | Relations |
---|---|---|---|
1 | [am/are] [vb pp] to [be] necessary | 6 | |
2 | [am/are] [vb pp] [prep] be necessary | 6 | |
3 | [am/are] [vb pp] [prep] be necessary | 6 | |
4 | [am/are] [vb pp] [prep] [be] necessary | 6 | |
5 | [am/are] [vb pp] [prep] [be] necessary | 6 | |
6 | are [vb pp] [prep] [be] necessary | 6 | |
7 | [am/are] [vb pp] to [be] necessary | 6 |