举几个英语例子
①dirty——dirtier——the dirties
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② expensive——more expensive——the most expensive
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③nice——nicer——the nicest
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④big ——bigger——the biggest
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⑤good——better——the best
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⑥clean——cleaner——the cleanest
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像上面的六类一样,各具几个类似的,越多越好,要快