No | Pattern | Freq | Relations |
---|---|---|---|
1 | is necessary [verb] that | 51 |
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2 | is necessary [verb] [that] | 51 |
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3 | is necessary [to-vb] [that] | 50 |
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4 | is necessary ensure [that] | 16 |
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5 | is necessary to ensure [that] | 15 |
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6 | is necessary to show [that] | 7 |
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7 | is necessary show [that] | 7 |
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