No | Pattern | Freq | Relations |
---|---|---|---|
1 | [adj] [noun] of research have be | 9 |
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2 | [adj] [noun] of research have be | 8 |
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3 | [noun] of research [noun] have be | 5 |
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4 | [noun] of research have be [verb] | 12 |
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5 | [noun] of research have be [vb pp] | 12 |
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