(1)Are you answering the phone 肯定回答 (2)they are playing the piano.(改为一般疑问句并否定回答)(3).the frog is(in the river)(对括号部分提问)( )( )the frog?(4).her mother is watching TV now(改为否定句)

问题描述:

(1)Are you answering the phone 肯定回答 (2)they are playing the piano.(改为一般疑问句
并否定回答)
(3).the frog is(in the river)(对括号部分提问)
( )( )the frog?
(4).her mother is watching TV now(改为否定句)

Yes,I am.

Are they playing the piano?——No,they aren't.
(Where)(is) the frog?
  4.Her mother isn't watching TV now.