No | Pattern | Freq | Relations |
---|---|---|---|
1 | it has proved [adj] | 40 |
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2 | it has proved impossible | 9 |
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3 | it has proved impossible | 9 |
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4 | it has proved possible | 7 |
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5 | it has proved possible | 7 |
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6 | it has proved difficult | 6 |
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7 | it has proved difficult | 6 |
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