by the way ve however ve anyway ve whatever arasındaki fark nedir?Sadece örnek cümleler vermekten çekinmeyin.

By the way = for your information
"By the way, I already bought milk so you don't need to pick that up when you go get groceries."

However = but
"This is beautiful. However, I still don't want it."

Anyway = (brings back old topic of the conversion to talk about again)
I'm sorry you and your girlfriend broke up. Anyway, that coffee I bought was really good."

Whatever = 1 "I don't care." 2 "no matter what"

1 "Whatever. It doesn't matter now."

2 "Whatever you do, you have to get back home before midnight."