is he as heavy as his brother?
liu tao doesn't do well in chinese.
Is he as heavy as his brother?
Liu Tao does not do well in Chinses.
Is he as heavy as his brother?
Liu Tao doesn`t do well in Chinses.
Is he as heavy as his brother?
Liu Tao doesn't do well in Chinese.
(1)He is as heavy as his brother.(改为一般疑问句)
Is he as heavy as his brother?
(2)Liu Tao does well in Chinses.(改为否定句)
Liu Tao does not do well in Chinses.