No | Pattern | Freq | Relations |
---|---|---|---|
1 | [adv] [adv] difficult it is [to-vb] | 8 | |
2 | [adv] [adv] difficult it be [to-vb] | 6 | |
3 | [adv] [adv] difficult it be [to-vb] | 5 | |
4 | [adv] how difficult it be [to-vb] | 5 | |
5 | [adv] [Wh adv] difficult it be [to-vb] | 5 | |
6 | [adv] how difficult it be [to-vb] | 5 |