No | Pattern | Freq | Relations |
---|---|---|---|
1 | it be difficult [prep] [pron] [verb] | 73 | |
2 | it be [adj] [prep] [indef pn] [verb] | 51 | |
3 | it be difficult [prep] [indef pn] [verb] | 5 | |
4 | [pron] be difficult [prep] [indef pn] [verb] | 5 | |
5 | it [be] difficult [prep] [indef pn] [verb] | 5 |