| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have [vb pp] [adv prt] at | 12 |
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| 2 | [Wh pn] had [vb pp] [adv prt] at | 11 |
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[Wh pn] have [vb pp] [adv prt] at Next page
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