No | Pattern | Freq | Relations |
---|---|---|---|
1 | [vb mod] have been | 21560 |
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2 | [modal v] have been | 21560 |
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3 | must have [be] | 3434 |
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4 | must have be | 3434 |
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5 | must [verb] been | 3430 |
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6 | must have [been] | 3429 |
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7 | must have been | 3429 |
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