We use 'many' for things we can count.
- many flowers
- many smartphones
- many problems
We use 'much' for things we can NOT count.
- much time
- much money
Note:
In questions and negative sentences we use 'much' but we usually use 'a lot of' in positive sentences.
- Have you got much water?
- I haven't got much water!
- I've got a lot of water.
Tout ça et bien plus,
5 minutes par jour !
Speakdating c’est dores-et-déjà plus de 1 000 activités et leçons,
plus de 40 000 exercices, là tout prêts, dans votre poche.