Use a lot of before nouns to mean a large quantity or a high number. “A lot of’ can be used with both countable and uncountable nouns.
Use verb + a lot to mean “very much” or “frequently”:
I like this singer a lot. or I like this singer very much.
She travels a lot for work. or She travels frequently for work.
“A lot” is always two words, never one word!
Use so and very before adjectives. We can use the structure so + adjective + that to add extra information, usually a result or consequence:
Last night I was so tired that I almost fell asleep while driving.
This book is so interesting that I stayed up until 3 AM reading it!
She plays the piano so well that people often ask if she’s a professional.
Common Error: Don’t use “a lot” with adjectives:
In informal spoken English, it’s common to use “really” instead of “very”:
Also, in informal spoken English some people use “so” without adding extra information, particularly when making an exclamation: