No | Pattern | Freq | Relations |
---|---|---|---|
1 | it be [adv] [adj] to know whether | 12 |
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2 | it be [adv] [adj] know whether | 12 |
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3 | it be [adv] difficult know whether | 8 |
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4 | it be [adv] difficult know whether | 8 |
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5 | it is [adv] [adj] know whether | 8 |
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