为什么shop的过去式是shopped而不是shoped?

为什么shop的过去式是shopped而不是shoped? shop的过去式和过去分词为什么是shopped而不是shoped啊? 英语翻译请翻译 People will shop here who have not shopped with us before.这是某人的原话,口语 SHOP的过去式 shop的过去式是什么 SHOP的过去式123456123456 动词过去式 为什么trap的过去式是trapped而stay的过去式是stayed? drop和shop的过去式 shop过去式 shop 为瞬间性动词还是延续性动词吗?They shopped all morning for musical instruments.他们整个上午都在买乐器。这是百度词典的解释,是否说明shop是 延续性的Mary with her friends ____ for the whole afternoon.a.shop 为什么hold的过去式,过去分词是held,而fold的过去式,过去分词就不用变,是folded? shop的过去式是这样吗o(╯□╰)o lay是lie的过去式,为什么它还有过去式? 英语：去商店为什么不能用go to shop 而要用go to a shop 或者是go to the shop. it seems that可以变成过去式么什么时候用it seemed that 但有的时候为什么后面是过去式而seem是用seems呢？有这句子的 请教dry和shop的过去式和过去分词, -how often do you _______ downtown?A.shop B.shops C.go shopping D.shopped My mom is interested in------A shop B shopping C shopped