No | Pattern | Freq | Relations |
---|---|---|---|
1 | [Wh det] must have [be] [adv] | 11 | |
2 | [Wh det] must have [been] [adv] | 11 | |
3 | [Wh det] must have been [adv] | 11 | |
4 | [Wh det] must have be [adv] | 11 | |
5 | [Wh det] must have [vb pp] [adv] | 9 | |
6 | [Wh det] must have [verb] [adv] | 9 |