you knew everything ___?
A
did you ?
B
didn't you ?
C
wewre you ?
D
haven't you ?
Correct Answer: didn't you ?
Past indefinite যুক্ত affirmative বাক্যের tag question - এর structure হলো : didnot + sub + question mark । সুতরাং সঠিক অংশটি didn't you?