No | Pattern | Freq | Relations |
---|---|---|---|
1 | [vb mod] be [vb pp] to be [v-ing] | 75 | |
2 | [modal v] be [vb pp] to be [v-ing] | 75 | |
3 | must be [vb pp] to be [verb] | 14 | |
4 | must [be] [vb pp] to be [v-ing] | 5 | |
5 | must be [vb pp] [prep] be [v-ing] | 5 | |
6 | must be [vb pp] to be [v-ing] | 5 | |
7 | must be [vb pp] to be [v-ing] | 5 | |
8 | must be [vb pp] to [be] [v-ing] | 5 | |
9 | must be [vb pp] [prep] be [v-ing] | 5 | |
10 | must be [vb pp] to [be] [v-ing] | 5 | |
11 | must be [verb] to be [v-ing] | 5 | |
12 | must be [vb pp] to be [v-ing] | 5 |