No | Pattern | Freq | Relations |
---|---|---|---|
1 | it is [not/n't] necessary [verb] a | 19 |
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2 | it [is] [not/n't] necessary [verb] a | 19 |
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3 | it [is] [not/n't] necessary [to-vb] a | 19 |
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4 | it [is] not necessary [verb] a | 19 |
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5 | it [is] [not/n't] necessary [verb] a | 19 |
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