a/an - 1 пердмет, an перед словом на гласный звук; some/any - множественное число или неисчисляемые существительные, some - положительные предложения, any - отрицательные и вопросительные предложения; much/many - many для исчисляемых существительных, much для не исчисляемых.1. We saw an exciting thriller and а funny comedy. 2. I haven\'t earned much money today. I have only e20. and Sally hasn\'t earned any money. She\'s got no money! 3. Have you got any aspirin? I only want one. Oh, won\'t worry. I\'ve got some here. There are three in this packet. 4. I don\'t drink much coffee or eat many biscuits. I only have one cup and one biscuit in the morning.