A は B ほど + い-Adjective stem (without い) + くない, な-Adjective + じゃない, Verb-negative potential form
The A は B ほど～ない grammar point is used to express that A is not as ~ as B in some aspect. It can be translated as 'not as...as' in English. This structure is commonly used with い-adjectives (without い) and な-adjective. For verbs, you can use the negative potential form.