No | Pattern | Freq | Relations |
---|---|---|---|
1 | [pers pn] could have been [verb] a | 11 |
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2 | [pron] could have been [verb] a | 10 |
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3 | [pron] could have been [verb] a | 9 |
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4 | [pron] could have been [vb pp] a | 6 |
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5 | he could have been [verb] a | 5 |
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6 | he could have been [verb] a | 5 |
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7 | [pron] could have been [v-ing] a | 5 |
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