competition原形过去式过去分词

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【competition原形过去式过去分词】我的答案是：compete原形，competed 既是过去式，也是过去分词。这个词的意思是“比赛，竞争”，动词原形变名词时，不是直接去掉词尾的e，而是变成i，再加tion这个后缀。它的过去式和过去分词是规则变化，去掉词尾的e，再加ed 。让我们看一个例句：We will have a chess competition.还有，They competed fairly.
competition原形过去式过去分词
是compete，competed，competed
We can'；t compete with them on price.
我们在价格上无法与他们竞争。
The company must reduce costs to competeeffectively.
公司要有效地参与竞争必须降低成本。
Charles has never felt the need to compete with anyone.
查尔斯从未感觉到与人竞争的需要。
Amateur skaters from all over the tristate area compete.
来自各地三州区的业余滑冰者前来参加比赛。
The two girls competed with each other for the highest mark.
这两个女孩为夺得最高分而竞争。

competition原形过去式 过去分词

competition原形过去式过去分词