| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been [prep] [noun] since | 82 |
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| 2 | [Wh pn] [vb -s] been [prep] [noun] | 52 |
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[Wh pn] [vb -s] been [prep] [noun] since Next page
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