| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] how [adv] [pron] could | 8 |
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| 2 | [vb past] [Wh adv] [adv] [pers pn] could | 7 |
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[vb past] [Wh adv] [adv] [pron] could Next page
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