he skated for four hours 为什么加for

bingo_garfield2022-10-04 11:39:543条回答

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他们叫我辣椒 共回答了16个问题 | 采纳率100%
for four hours 是由介词for(达到,累计)构成的介词短语,表明了动作skated共发生了多长时间,是一个时间状语部分,没有for的话,表达不了这个意思.
1年前
无语小桥 共回答了217个问题 | 采纳率
表示持续一段时间
1年前
急流漂萍 共回答了694个问题 | 采纳率
您好:
he skated for four hours. 他溜冰溜了(持续了)四个小时。
for 表示持续的意思,说明动作skated这个动作一共进行了多长时间。
祝您开心!
1年前

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