I often see some old people ( )in the park on my way to school .(exercise)
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I often see some old people ( )in the park on my way to school .(exercise)
I often see some old people ( )in the park on my way to school .(exercise)
I often see some old people ( )in the park on my way to school .(exercise)
exercise原型
people是复数
I often see some old people (exercise )in the park on my way to school .(exercise)
你可以这样来想,原句中说我经常在放学回家的路上看到老人在公园里锻炼,那么既然是经常看到,当然就用原形的exercise了,如果这句话是I saw some old people () in the park last Friday.那这里就应该用exercising了。另外,楼上说因为people是复数也不对,因为不管see后面是单数还是复数,see的用法就只有see sb.do sth.和see...
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你可以这样来想,原句中说我经常在放学回家的路上看到老人在公园里锻炼,那么既然是经常看到,当然就用原形的exercise了,如果这句话是I saw some old people () in the park last Friday.那这里就应该用exercising了。另外,楼上说因为people是复数也不对,因为不管see后面是单数还是复数,see的用法就只有see sb.do sth.和see sb. doing sth.
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拜托……
often 的确是一般现在时的标志,但它修饰see,所以see用一般现在时,而exercise只是看见什么 用see sb do/doing sth,而see sb do 是看见事情的整个过程,我不可能在路上看他们锻炼的整个过程,所以是exercising,和 often 无关……