No | Pattern | Freq | Relations |
---|---|---|---|
1 | [adv] difficult it is [verb] a | 10 | |
2 | how difficult it is [verb] a | 9 | |
3 | [Wh adv] difficult it is [verb] a | 9 | |
4 | how difficult it is [verb] a | 9 | |
5 | difficult it is [verb] a [adj] | 7 | |
6 | difficult it is [verb] a [adj] | 7 |