there are many apples on the tree,单数句子?原句否定句?原句过去时态?原句过去时态的否定句?

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there are many apples on the tree,单数句子?原句否定句?原句过去时态?原句过去时态的否定句?

There are many apples on the tree,单数句子 There is an apple on the tree,原句否定句 There are not many apples on the tree,原句过去时态 There were many apples on the tree,原句过去时态的否定句 There wer...