Ⅰ. always “总是;一直”常与一般现在时连用。有时也与进行时连用， 但并不强调动作正在进行，而是表示“赞叹、厌烦、不满”等情绪。常用于肯定句中，放在“三类词”(情态动词、助动词、系动词本书称为“三类词”)之后，行为动词之前。如：
① We always get up before six o’clock. 我们总是六点前起床。
② He is always thinking of others. 他总是想着别人。
Ⅱ. yet. “仍然;还”常与not连用。用于否定结构中。如：
①He hasn’t finished the work yet. 他还没完成这项工作。
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