No | Pattern | Freq | Relations |
---|---|---|---|
1 | [vb past] been [v-ing] for [num] year | 27 |
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2 | [vb past] be [v-ing] for [num] years | 27 |
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3 | had be [v-ing] for [num] year | 25 |
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4 | [vb past] be [v-ing] for two year | 6 |
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