Khẳng định: S + to be + as + adj + as + N/ pronoun.
Phủ định: S + to be + not + as + adj + as + N/ pronoun.
thì
a) mary is as tall as her brother
b) A lemon are as not sweet as an orange
c ) A donkey are as not big as a horse
d) This dress is as pretty as that one
e ) the weather as not cold as yesterday
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