No | Pattern | Freq | Relations |
---|---|---|---|
1 | must [be] [verb] [prep] | 5097 | |
2 | must [be] [vb pp] [prep] | 4921 | |
3 | [vb mod] [be] referred [prep] | 264 | |
4 | [modal v] [be] referred [prep] | 264 | |
5 | must [be] refer [prep] | 24 | |
6 | must [be] referred [prep] | 20 | |
7 | must [be] referred [prep] | 20 |