| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [prep] [v-ing] [pron] [prep] a | 7 |
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| 2 | [to-vb] [prep] [v-ing] [pron] [prep] a | 7 |
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[to-vb] [prep] [v-ing] [pron] [prep] a Next page
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