No | Pattern | Freq | Relations |
---|---|---|---|
1 | must have been [prep] [prep] | 12 | |
2 | must have been [prep] [prep] | 12 | |
3 | [modal v] have been [prep] for | 8 | |
4 | must [verb] been [prep] for | 8 | |
5 | must have [be] [prep] for | 8 | |
6 | must have been [prep] for | 8 | |
7 | must [vb infin] been [prep] for | 8 | |
8 | must have been [prep] for | 8 | |
9 | must have be [prep] for | 8 | |
10 | [vb mod] have been [prep] for | 8 | |
11 | must have been [prep] for | 8 | |
12 | must have [been] [prep] for | 8 |