No | Pattern | Freq | Relations |
---|---|---|---|
1 | be necessary for [adj] | 60 |
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2 | [is] necessary for [adj] | 25 |
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3 | is necessary for [adj] | 24 |
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4 | be necessary for [adj] | 16 |
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5 | [be] necessary for [adj] | 16 |
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6 | [am/are] necessary for [adj] | 12 |
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7 | are necessary for [adj] | 12 |
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8 | [was/were] necessary for [adj] | 7 |
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