No | Pattern | Freq | Relations |
---|---|---|---|
1 | [noun pl] and it [is] difficult [verb] | 14 | |
2 | [noun pl] and it is difficult [verb] | 14 | |
3 | [noun pl] and it [is] difficult [verb] | 14 | |
4 | [noun pl] and it [is] difficult [verb] | 14 | |
5 | [noun pl] and it [is] difficult [to-vb] | 13 |