you are constantly forgetting to clean the test tubes after experiments.怎样分句子成分

you are forgetting to clean the test tubes 。 这个是主句
constantly 作状语 修饰那个动词forget
after experiments 也作状语 是表示时间的状语

You are constantly forgetting to clean the test tubes after experiments.

constantly不断地，做状语

You are forgetting to do sth 你老是忘记做某事

clean the test tubes 清理试验试管

after experiments 实验过后，做状语

翻译：你老死不断地在实验过后忘记清理试验试管。