| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [not/n't] [adv] [be] used for | 6 |
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| 2 | [vb mod] [not/n't] [adv] [be] used for | 6 |
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(1) [not/n't] [adv] [be] used for Next page
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