No | Pattern | Freq | Relations |
---|---|---|---|
1 | [adv] because it [be] [adv] difficult | 6 | |
2 | [noun] because it [be] [adv] difficult | 6 | |
3 | [adv] because it [be] [adv] difficult | 6 | |
4 | [noun sg] because it [be] [adv] difficult | 5 | |
5 | because it [vb mod] [be] [adv] difficult | 5 | |
6 | because it [modal v] [be] [adv] difficult | 5 | |
7 | because it [be] [adv] difficult [to-vb] | 20 | |
8 | because it [be] [adv] difficult [verb] | 20 |