No | Pattern | Freq | Relations |
---|---|---|---|
1 | must have [be] [v-ing] to | 10 | |
2 | must have [be] [v-ing] to | 10 | |
3 | must have [been] [v-ing] to | 10 | |
4 | must have be [v-ing] to | 10 | |
5 | must have been [v-ing] to | 10 | |
6 | must have [be] [v-ing] to | 10 |
must have [be] [v-ing] to Next page
|