No | Pattern | Freq | Relations |
---|---|---|---|
1 | must [verb] been [prep] [det] [noun] | 16 | |
2 | [modal v] [verb] been at [det] [noun] | 10 | |
3 | must [verb] been at [adj] [noun] | 5 | |
4 | must [verb] be at [det] [noun] | 5 | |
5 | must [verb] [be] at [det] [noun] | 5 | |
6 | must [verb] [been] at [det] [noun] | 5 |