| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb -s] be [vb pp] at a | 5 |
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| 2 | [pers pn] [vb -s] been [vb pp] at a | 5 |
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[pers pn] [vb -s] be [vb pp] at a Next page
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