No | Pattern | Freq | Relations |
---|---|---|---|
1 | have [been] [verb] a | 1929 |
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2 | have [been] [v-ing] a | 781 |
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3 | have [been] operating [art] | 8 |
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4 | have [been] operating [art] | 8 |
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5 | have [been] operating a | 7 |
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6 | have [be] operating a | 6 |
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7 | have [been] operate a | 6 |
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8 | [verb] [been] operating a | 6 |
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