be replacing sth
表示正在进行的更换动作。
They are replacing the broken window.
他们正在更换破窗户。
替代；更换
替代；更换(replace的ing形式)
to take the place of something or someone; to put something new in the place of something that is broken, old, or not working
replace的现在分词形式
替代；更换(replace的ing形式)
n the act of furnishing an equivalent person or thing in the place of another；v substitute a person or thing for (another that is broken or inefficient or lost or no longer working or yielding what is expected)；v take the place or move into the position of；v put something back where it belongs；v put in the place of another; switch seemingly equivalent items
I am replacing the printer cartridge with a new one.
我正在用新的打印机墨盒更换旧的。
用法提示：现在分词作谓语，表示正在进行的替代动作。
Replacing a light bulb is easy if you follow the instructions.
如果你按照说明操作，更换灯泡很容易。
用法提示：动名词短语作主语，表示替代这一行为。
She is considering replacing her old phone with a newer model.
她正在考虑用更新型号的手机替换她的旧手机。
用法提示：现在分词在be动词后构成现在进行时，表示正在考虑的动作。
表示正在进行的更换动作。
They are replacing the broken window.
他们正在更换破窗户。
用 with 引出替代物。
We are replacing old pipes with new ones.
我们正在用新管道更换旧管道。
by 后接替代手段，更正式。
The company is replacing manual work by automation.
公司正在用自动化代替手工工作。
动名词作主语，强调动作本身。
The replacing of the roof is costly.
更换屋顶很昂贵。
grammar · medium
易错句子He is replace the old battery.
正确表达He is replacing the old battery.
在现在进行时中，动词应该使用-ing形式，而不是原形。replace的现在分词是replacing，表示正在进行的动作。
grammar · medium
易错句子She is replacing for the missing part.
正确表达She is replacing the missing part.
动词replace是及物动词，直接接宾语，不需要介词for。误加for是受中文“替换”或“代替”后常跟介词的影响。
replace 侧重用新的或完好的替代旧的或损坏的；substitute 侧重临时或等价替换，不一定意味着原物失效。
replace 强调一个东西取代另一个的位置；exchange 强调双向交换或互换。
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可生成：动词变形 Verb forms。只有点击后才会开始生成。
Choose the next layer that will help you use replacing with more confidence.
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