Learn the difference between "what does he do" and "what is he doing" with TextRanch, a service that corrects your English texts by human editors. See examples, alternatives …
请教What is he doing和What he is doing的句子成分两句都是：he 作主语，is doing 作谓语，what 作宾语宾语是动作的承受者，这里what是do的承受者。 补语在主动语态下是补充说明宾语的，是先有宾 …
What does he do？ 的意思是“他是做什么的？ 这是一般现在时句型，是英语中一般现在时的第三人称单数的特殊疑问句结构，即：疑问词+助动词does+主语+动词原型。
答案：A．考查系动词应用．结合题干"What---he doing"可推测句意为"他正在做什么"，句子强调正在进行的动作，句子的时态为现在进行时．"he"是第三人称单数，系动词用单数"is"．A．is系动词单 …
Learn how to use S for third person singular verbs in present simple tense with this guided discovery of grammar. Find out what he/she does, what his/her job is and where he/she …
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