No | Pattern | Freq | Relations |
---|---|---|---|
1 | it be difficult [verb] [coord] | 17 | |
2 | it be difficult [to-vb] [coord] | 17 | |
3 | it be difficult [verb] and | 13 | |
4 | it is difficult [verb] [coord] | 8 | |
5 | it was difficult [verb] [coord] | 5 |
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