exercise什么时候加s什么时候不加,举几个例子
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exercise什么时候加s什么时候不加,举几个例子
![exercise什么时候加s什么时候不加,举几个例子](/uploads/image/z/2693424-48-4.jpg?t=exercise%E4%BB%80%E4%B9%88%E6%97%B6%E5%80%99%E5%8A%A0s%E4%BB%80%E4%B9%88%E6%97%B6%E5%80%99%E4%B8%8D%E5%8A%A0%2C%E4%B8%BE%E5%87%A0%E4%B8%AA%E4%BE%8B%E5%AD%90)
exercise作动词:(锻炼)
单三都懂啦.主语是第三人称单数的时候它是谓语动词变单三加s
例:He exercises every day
exercise作名词:
(练习题)作这个意思的时候是可数名词
例:He does a lot of exercises to improve his English.
(锻炼;运动)作这个意思的时候是不可数名词
例:He takes exercise every day.
例外:作(体操)时可以加's'
像 morning exercises ,do exercises(=do sports做运动,例外中的例外) ,eye exercises
单三都懂啦.主语是第三人称单数的时候它是谓语动词变单三加s
例:He exercises every day
exercise作名词:
(练习题)作这个意思的时候是可数名词
例:He does a lot of exercises to improve his English.
(锻炼;运动)作这个意思的时候是不可数名词
例:He takes exercise every day.
例外:作(体操)时可以加's'
像 morning exercises ,do exercises(=do sports做运动,例外中的例外) ,eye exercises