No | Pattern | Freq | Relations |
---|---|---|---|
1 | how difficult [pron] can [be] [verb] | 7 | |
2 | [Wh adv] difficult it can [be] [verb] | 7 | |
3 | [Wh adv] difficult [pron] can be [verb] | 7 | |
4 | [Wh adv] difficult [pers pn] can [be] [verb] | 7 | |
5 | [Wh adv] difficult it can [be] [verb] | 7 | |
6 | [Wh adv] difficult [pron] can [be] [to-vb] | 6 |