No | Pattern | Freq | Relations |
---|---|---|---|
1 | [vb mod] [prep] course be | 203 | |
2 | [modal v] [prep] course be | 203 | |
3 | must [prep] [noun] be | 65 | |
4 | must [prep] [noun sg] be | 64 | |
5 | must [prep] course be | 29 | |
6 | must [prep] course [be] | 29 | |
7 | must [prep] course be | 29 |