A.Read the sentences and say how can form negations in present perfect
I have been to London
We have been to Washington
You have been to Boston
They have been to Chicago
She has been to Australia
He has been to the USA

I have not been to Moscow
We have not been to Oxford
You have not been to Leeds
They have not been to Kiev
She has not been to Miami
He has not been to Spain

B.Say the same using the sort forms of the verb to see
Example: I have not seen the Pacific
I havent seen the Pacific

1) I have not seen the Atlantic
2)We have not seen New York
3) You have not seen London
4)They have not seen Buckingham Palace
5) He has not seen the Tower of London
6)She has not seen the Moscow Kremlin