No | Pattern | Freq | Relations |
---|---|---|---|
1 | is [adv] [adj] [verb] [coord] | 161 | |
2 | is [adv] difficult [verb] [conj] | 95 | |
3 | [be] [adv] difficult [verb] [coord] | 81 | |
4 | be [adv] difficult [verb] [coord] | 81 | |
5 | is [adv] difficult [verb] [coord] | 33 | |
6 | [is] [adv] difficult [verb] [coord] | 33 |