I have questions in my study about the uses of smartphones and my question is :
It is use of :
Calling
Surfing Internet...etc
Is it CORRECT TO ADD "ing" to a verb ?
If I have MADE any mistakeS ABOUT anythings PLEASE tell me, thank you.
Yes you can use "-ing"
so talking, calling, surfing, texting, ringing, skyping, messaging, pinging etc