No | Pattern | Freq | Relations |
---|---|---|---|
1 | it [be] difficult to see | 235 | |
2 | it be difficult see | 235 | |
3 | it [be] difficult see | 235 | |
4 | it [is] difficult see | 203 | |
5 | it is difficult see | 185 | |
6 | it was difficult see | 32 | |
7 | it [was/were] difficult see | 32 | |
8 | it 's difficult see | 18 |