gradually become请问为什么不是gradual become?become不是连系动词吗?为什么用副词?谢

gradually become请问为什么不是gradual become?become不是连系动词吗?为什么用副词?谢 不是过去时吗 为什么是become 不是 became? How did he become an actor?这句中become为什么不是became? become不是系动词么?为什么出来了“is becoming”呢? it can be easy for us to become unhappy,为什么easy不用副词,不是说副词修饰形 become a volunteer today 为什么不是动名词becoming His wish is to become a scientist为什么不是becoming never为什么会放在be前?副词修饰连系动词时,不是放在连系动词后吗? become作系动词的时候不是没有进行时吗?那It is becoming better中become是什么词? 这个句子有错么?running has become my favorite sport.has become 不是动词 英语连系动词刚才考卷上看到有become very happy的用法,老师说become是连系动词后面用adj,但这个v get turn become这三个连系动词的区别