No | Pattern | Freq | Relations |
---|---|---|---|
1 | must have been something [prep] [det] | 5 | |
2 | must have [be] something [prep] [det] | 5 | |
3 | must have be something [prep] [det] | 5 | |
4 | must have [been] something [prep] [det] | 5 | |
5 | must have [be] something [prep] [det] | 5 |