Jim visited his grandparents last Sunday (改为一般疑问句)

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Jim visited his grandparents last Sunday (改为一般疑问句)
Jim visited his grandparents last Sunday (改为一般疑问句)

Jim visited his grandparents last Sunday (改为一般疑问句)
visited体现一般过去时,故借助助动词did.
Did Jim visit hsi grandparents last Sunday? (did已经体现一般过去时,故visited必须还原为原形visit)