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Step1: 听暴风听力
Step2: 自主学习—主谓一致
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主谓一致：谓语动词和主语保持一致。主谓一致通常有三种原则:__________,__________,___ ______。
★以下情况谓语动词用单数：
考点一：动词不定式、动名词、疑问词+不定式、从句作主语时，谓语动词用单数。
1）Doing eye exercises ____ good for our eyes. ( be )2) To obey the traffic rules ____ very important. ( be )
nobody/ someone / anyone/ anyone / everyone/ something / anything / everything /nothing/ each / every/ either/ neither等作主语时，谓语动词用单数。
