| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did they [adv] [vb infin] [to-vb] | 8 |
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| 2 | did they [adv] [vb infin] [to-vb] | 8 |
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did they [adv] [vb infin] [to-vb] Next page
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