No | Pattern | Freq | Relations |
---|---|---|---|
1 | must have been [prep] [adj] | 51 | |
2 | must have been [prep] [det] | 26 | |
3 | [modal v] have been [prep] this | 23 | |
4 | must have [been] [prep] this | 8 | |
5 | must [vb infin] been [prep] this | 8 | |
6 | must [verb] been [prep] this | 8 | |
7 | must have been [prep] this | 8 | |
8 | must have be [prep] this | 8 | |
9 | must have [be] [prep] this | 8 | |
10 | must have been [prep] this | 8 |