No | Pattern | Freq | Relations |
---|---|---|---|
1 | could have been [verb] by [det] | 11 |
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2 | could [verb] been [verb] by [det] | 11 |
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3 | could have been [verb] by [det] | 11 |
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4 | could [verb] been [vb pp] by [det] | 11 |
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5 | could [vb infin] been [verb] by [det] | 11 |
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