例题: 动词填空 1. _______(do) morning exercises is good for your health. 答案:Doing 这句话里有动词:be动词,所以需要填入一个非谓语的形式。在这里,doing在句首,动名词做主语,谓语动词用单数is,符合。所以答案:Doing。 Exercise的用法与解析: exercise 可以是动词“锻炼”,如 He exercises every day. 此时,exercises 是 exercise 的单三形式。 exercise 也可以是名词。 (1)“练习”,“操”可数名词 如 There are many exercises in the book. We should do eye exercises. (保持健康或培养技能的)一套动作,训练活动,练习 例如:breathing exercises 呼吸运动;exercises for the piano 钢琴练习 习题,练习 例如:grammar exercises 语法练习;do exercises 做习题 (2)“锻炼”,不可数名词 如 Let's take exercise. (身体或脑力的)活动,锻炼,运动 例如:to take exercise 锻炼;gentle exercise 平和的运动 行使,运用,使用 例如:the exercise of power by the government 政府权力的行使; the exercise of discretion 自行决定权的行使 练一练: ( )The summer holiday is to______.we can go swimming, climbing or play basketball. A.do exercise B.do homework C.take exercises D.do housework. 本文来源:https://www.wddqw.com/doc/99ec688a91c69ec3d5bbfd0a79563c1ec5dad7b0.html