he is always changing his mind.和he was always changing his mind.有什么区别,两个句子都是表感情色彩,既然意义相同,干嘛要有两种表达方式

he always还是he is always? 是He always is healthy还是He is always healthy He is always there to Wherever he goes,he is always welcome time is changin' but nothing's to be blamed 中文翻译 He always smiles He is always smiley 都可以吗 he is always angry.he is u____ to people he is an u--------man.he is always dressed badly he is always __(confidence)that he is right He is always in his words He is always living things about. He is always ___(study)hard. 翻译Tom is seaman.He always drnks. He always stands for what is right He is always busy.的同义句 He is always in___(时尚） He is always ________ to me. he is always friendly () the old