| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [not/n't] been [v-ing] at [det] | 7 |
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| 2 | [verb] [not/n't] been [v-ing] at [det] | 7 |
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(1) [not/n't] been [v-ing] at [det] Next page
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