No | Pattern | Freq | Relations |
---|---|---|---|
1 | [conj] it [is] [adv] difficult [verb] | 194 | |
2 | because it [is] [adv] [adj] [verb] | 61 | |
3 | because it [be] [adv] difficult [verb] | 20 | |
4 | because [pron] [is] [adv] difficult [verb] | 18 | |
5 | because it [is] [adv] difficult [verb] | 18 |