Question

Bob studies very hard in our class.（变一般疑问句＋肯定回答）？

Answer 1

Bob studies very hard in our class.

变为一般疑问句：

- Does Bob study very hard in your class ?

- Yes, he does.

Answer 2

Bob studies very hard in our class.

一般疑问句，意识，Is Bob studies very hard in our class？

肯定回答，Yes，Bob（he） is.

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望采纳

Answer 3

Does Bob study very hard in our/your class？肯定回答 Yes，he does.实意动词做谓语，一般现在时主语是第三人称单数，一般疑问句用助动词Does开头,实意动词用原型。

Answer 4

这是一个一般现在时，主语是第三人称单数形式的句子，动词是studies, 所以要用does 帮助提问和否定，它的一般疑问句是
Does Bob study very hard in your class ?鲍勃在你们班学习很努力吗？
肯定回答 Yes, he does. 是的，他很努力。

Answer 5

Does Bob study very hard in your class？

肯定回答 Yes，he does.

行为动词做谓语，一般现在时主语是第三人称单数直接在句子开头加助动词Does,原来的动词要还原。