No | Pattern | Freq | Relations |
---|---|---|---|
1 | it [is] [adv] difficult [prep] us | 7 | |
2 | it [is] [adv] difficult [prep] us | 7 | |
3 | it [is] very difficult [prep] us | 6 | |
4 | it [is] very difficult [prep] us | 6 | |
5 | it [is] difficult [prep] us [verb] | 15 | |
6 | it [is] difficult [prep] us [to-vb] | 15 |