| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it 's [adv] [adv] difficult [to-vb] | 15 |
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| 2 | it 's [adv] [adv] difficult [to-vb] | 13 |
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it 's [adv] [adv] difficult [to-vb] Next page
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