Four years after he succumbed to Lou Gehrig's disease, Morrie is teaching more students than ever — millions all over the world. And his class is still growing. For nearly 30 years, he taught sociology to students at Brandeis University.
Answer:
https://dit69.pro/duoc-2-em-gai-dam-lam-tinh-suong-vai-chim/
Indicates a state of reality.
Indicative verbs state what is going on at that moment, or what could very possibly happen.
e.g "I run through the forest".
Answer:
I don't know Go ask someone else not me..
Main clause <span> can stand alone as a sentence .</span>