In the '50s, a popular panel show discussed the difference between
like and
as. The former is to be used with adjectives, the latter with verbs.
He is tall, just like his father.
The kids all do housework, just as their parents.
The discussion centered around a cigarette commercial: Winston tastes good like a cig-cig-cigarette should.
I have a strong feeling that the question is not even discussed in high school or college English classes today.