| No | Pattern | Freq | Relations |
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| 1 | [noun] [vb -s] be [v-ing] [noun sg] at | 5 |
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| 2 | [vb -s] be [v-ing] [noun sg] [noun] at | 5 |
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(1) [vb -s] be [v-ing] [noun sg] (5) at Next page
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