No | Pattern | Freq | Relations |
---|---|---|---|
1 | if they have been [v-ing] | 43 |
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2 | if they had been [v-ing] | 22 |
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3 | if they have been [v-ing] | 8 |
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4 | if they 'd been [v-ing] | 7 |
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5 | if they 've been [v-ing] | 6 |
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