No | Pattern | Freq | Relations |
---|---|---|---|
1 | difficult it is [verb] [art] | 16 | |
2 | difficult it is [to-vb] [art] | 16 | |
3 | difficult it is [verb] [art] | 16 | |
4 | difficult it is [verb] a | 10 | |
5 | difficult it is [verb] a | 10 | |
6 | difficult it is [verb] the | 6 | |
7 | difficult it is [verb] the | 6 |