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一般现在时态的形式(1)动词be除第一人称单数用am,第三人称单数用is外,其余一律用are。例如:I am in Class One,Grade Two.我在二年级一班。
The general form of the tense (1) verb be except for the first person singular use am, the third person singular use is, the rest are used are. For example: I am in Class One, Grade Two. I am in the second grade class.