No | Pattern | Freq | Relations |
---|---|---|---|
1 | [adv] difficult [to-vb] [coord] | 136 | |
2 | [adv] difficult [verb] [coord] | 136 | |
3 | [adv] [adj] to obtain [coord] | 6 | |
4 | [adv] difficult to obtain [conj] | 6 | |
5 | [adv] [adj] to obtain [coord] | 6 | |
6 | [adv] difficult to obtain [coord] | 5 | |
7 | [adv] difficult to obtain [coord] | 5 | |
8 | [adv] difficult obtain [coord] | 5 |