Everyday vs every day

This is a very common problem for my students in their writing.

Everyday (adjective)
This is my everyday coffee.

Every day (adverb; time expression)
I drink coffee every day.
or
Every day I drink coffee.

What are some common problems you face learning English?[Image]

Question

Everyday vs every day

This is a very common problem for my students in their writing.

Everyday (adjective)
This is my everyday coffee.

Every day (adverb; time expression)
I drink coffee every day.
or 
Every day I drink coffee.

What are some common problems you face learning English?[Image]

Answer

Thank you. As a native speaker I didn't even know the difference.