No | Pattern | Freq | Relations |
---|---|---|---|
1 | [was/were] introduce [prep] the [num ord] century | 7 |
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2 | [was/were] introduce [prep] the [num ord] century | 7 |
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3 | [was/were] introduced [prep] the [num ord] century | 7 |
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4 | [was/were] introduce in the [num ord] century | 6 |
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5 | [was/were] introduce in the [num ord] century | 6 |
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