They nodded and shook hands with each other（改为否定句）

They nodded and shook hands with each other（改为否定句） He shook hands with her as though they had known each other Ask each other and discuss it.(改为否定句) 1.They can walk with their hands.（改为改为否定句) We keep in touch with each other by e-mail.改为否定句 They are having a good time chatting with each other.改为同义句 They agree with each other on the time of the meeting改为同义句 They always talk with each other at lunchtime改为同义句 They are all nice and helpful to each other.(改为同义句) They have washed their hands 改为否定句 Each person at a party shook hands exactly once with each of You look like each other.怎么改为否定句.