No | Pattern | Freq | Relations |
---|---|---|---|
1 | [noun] have often [verb] [prep] a | 5 |
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2 | have often [been] [verb] [prep] a | 18 |
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3 | have often be [verb] [prep] a | 18 |
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4 | have often been [verb] [prep] a | 18 |
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5 | have often [be] [verb] [prep] a | 18 |
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6 | have often [verb] [prep] [verb] a | 5 |
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7 | have often [verb] [prep] [v-ing] a | 5 |
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