No | Pattern | Freq | Relations |
---|---|---|---|
1 | must have been [verb] [adv prt] [prep] | 36 | |
2 | must have been [vb pp] [adv prt] [prep] | 27 | |
3 | must have been [verb] out [prep] | 10 | |
4 | must have been [v-ing] [adv prt] [prep] | 9 | |
5 | must have been [verb] up [prep] | 8 | |
6 | must have been [verb] [adv prt] by | 6 | |
7 | must have been [verb] [adv prt] with | 5 |