He is studying.
http://www.englishbaby.com/lessons/grammar/present_progressive_tense
What is the present progressive tense of "study"?
3 answers
So, if I were to use it in a sentence, this is the form I would use?
"Many scholars are studying the effect of modern inventions on people's lifestyles."
"Many scholars are studying the effect of modern inventions on people's lifestyles."
Right.