No | Pattern | Freq | Relations |
---|---|---|---|
1 | [adv] is it necessary | 21 |
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2 | why [is] it necessary | 14 |
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3 | [Wh adv] [is] it necessary | 14 |
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4 | why [is] it necessary | 14 |
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5 | [adv] [is] it necessary | 6 |
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