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1、-ing分词的构成-ing分词是由动词原形加词尾-ing构成。-ing分词同样有时态和语态的变化,通常有下表几种形式(以do为例):
1, the composition of -ing participle-ing participle is formed by the verb plus-suffix -ing. -ing participle also has the same tenses and voice changes, there are usually the following forms (with do as an example):