No | Pattern | Freq | Relations |
---|---|---|---|
1 | how difficult it [modal v] [be] for | 5 | |
2 | how difficult it [modal v] be for | 5 | |
3 | how difficult it [modal v] [be] for | 5 | |
4 | how difficult it [modal v] be for | 5 | |
5 | how difficult it [modal v] [be] for | 5 | |
6 | how difficult it [vb mod] [be] for | 5 |