《Exercise》Good Health to You! PPT课件
第一部分内容:话题导入
1. What is exercise?
Riding a bike is exercise.
Walking is exercise.
Playing ping-pong is exercise.
Running is exercise.
Exercise helps make your body healthy and strong.
… … …
ExercisePPT,第二部分内容:知识讲解
知识点 1
Riding a bike is exercise. 骑自行车是锻炼。
动名词(短语)作主语
用法:动名词是非谓语动词形式的一种,起名词或动词的作用。
易错点提示
动名词(短语)作主语时,谓语用第三人称单数形式。
例句:Playing football is exercise. 踢足球是锻炼。
典例 Eating vegetables ________ good for your body.
A. am B. is C. are
点拨:本题考查主谓一致。动名词(短语)作主语时,谓语动词要用单三形式,所以选B。该题的陷阱选项是C,不要受vegetables是复数的影响,而误选are。这句话的主语是动名词短语,而不是vegetables。
exercise /’eksəsaɪz/ n.
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