No | Pattern | Freq | Relations |
---|---|---|---|
1 | have been [verb] for some years | 24 |
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2 | have been [vb pp] for some years | 15 |
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3 | had been [verb] for some years | 11 |
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4 | have been [v-ing] for some years | 9 |
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5 | has been [verb] for some years | 8 |
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