is replaced 和has been replaced 的区别和语法?

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is replaced 和has been replaced 的区别和语法?
如题,
1,is replaced:什么是语法呢?句子成分是什么?
例子：The heaviness of being successful is replaced by the lightness of being a beginner again.
2,这里可以用has been replaced 是否这样就是被动式的时态呢?

你说的这两个都是被动
is replaced是一般的被动
have been replaced 是被动+完成时
这里是一般性的陈述不用加完成,除非想强调该动作对现在的影响翻译成已经...

is replaced 和has been replaced 的区别和语法? has been replaced the olive wreath has been replaced over times. 初中英语语法has been和had been的区别 replaced me的同义词英语翻译"The old grainy video has been replaced by high-definiti have been 和 has been的区别 has been和has gone的区别 has和has been的区别 has been opened和has been open的区别. has been in和has been at的区别 has been to和has been in 的区别