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With the comparative, there is no adjective agreement in number and gender when (MUST AGREE EVERY OTHER TIME)…
«C’est» is used before the expression.
To compare nouns, use these expressions:
plus + adjective + que (more… than)
aussi + adjective + que (as… as)
moins +adjective + que (less… than)
You can also compare nouns using plus de, moins de, and autant de (as much as) before the noun. Remember to use que/qu’ to continue the comparison.
Il y a plus de vaches que de canards.
Elle a moins de chevaux que ses grands-parents.
Bien!