No | Pattern | Freq | Relations |
---|---|---|---|
1 | may be [adj] [verb] [adj] | 138 | |
2 | [modal v] be difficult [verb] [adj] | 23 | |
3 | [vb mod] be difficult [verb] [adj] | 23 | |
4 | may be difficult [verb] [adj] | 12 | |
5 | may [be] difficult [verb] [adj] | 8 | |
6 | may be difficult [verb] [adj] | 8 |