Hi Noa! "Mucho" is used before uncountable nouns meaning ·"a lot", "much" or "plenty of". "Mucha" is used with feminine nouns. - Hace mucho tiempo que no te veo. - Tengo mucho frío - Hay mucha agua en el océano. "Muchos" and "muchas" are used before countable plural nouns meaning "many": - He comprado muchas naranjas - Tengo muchos amigos "Muy" is used before adjectives meaning "very": - Es muy tarde - La sopa está muy caliente - Mi hermano es muy alto

"Muy" is used as 'very'+adjective for example: muy bonito- very nice muy rico- very tasty/rich "Mucho" is used as 'a lot of'+noun for example: mucho libros- a lot of books mucho dinero- a lot of money However, it does not apply to weather, because you use a phrase: "Hace..." and then you have to use 'mucho'+noun, for example: Hace mucho calor- It is very hot

"Muy" is an adverb there isn't genre like male or female neither plural or singular. for example, my brother is "muy" tall. you can use"muy" + adverb or "muy"+ adjective "Mucho": is an adjective and there is genre and singular and plural: mucho, mucha, muchos, muchas. for example: i have "muchos" friends. the antonym is "little" i hope my answer can help you :)