| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | then why [vb -s] [adv] [pron] [verb] | 6 |
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| 2 | then why [vb -s] [adv] [pron] [vb infin] | 5 |
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then why [vb -s] [adv] [pron] (6) Next page
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