You wrote
It was (mistake, should be: worse) more bad than the first
Correct
It was (fixed) worse than the first
Comparing: faster, cheaper than, worse
4 mistakes
Adjetivos curtos ganham -er em vez de 'more': 'faster', 'cheaper'. Alguns são irregulares: bad/worse, good/better. 'Do que' = than.
Short adjectives add -er: fast/faster, cheap/cheaper. Some are irregular: bad/worse, good/better. The comparison word is 'than', not 'that'.
Mais rápido = faster. Pior = worse. Do que = THAN.
Wrong: The train is more fast
Right: The train is faster
Wrong: more cheap
Right: cheaper
Wrong: that the black
Right: than the black
It was (mistake, should be: worse) more bad than the first
It was (fixed) worse than the first
The blue one is (mistake, should be: cheaper) more cheap (mistake, should be: than the black) that the black one
The blue one is (fixed) cheaper than the black one
The train is (mistake, should be: faster) more fast
The train is (fixed) faster