Words like 'much', 'many', 'some', and 'lots' all give an unspecific indication of the quantity or amount of something. There are rules around when you can and cannot use quantifiers, which you can find out about in our English quantifiers video lesson online.
To help you learn the principles that underpin the English language, ESO has put together a package of pre-recorded video and audio lessons, that enable you to learn all English grammar rules and explanations online. When you subscribe to our media package you can use these learning resources as often as you want, at whatever time of day suits you, making this the most flexible way to learn English grammar from home.