Study this example situation:

Sarah, Joe and David are all very rich.
Sarah has $20 million, Joe has $15 million
and David has $10 million. So:
Joe is rich.
He is richer than David.
But he isn't as rich as Sarah. (= Sarah is richer than he is)
Some more examples of
not as ... (
as):
- Jack isn't as old as he looks. (= he looks older than he is)
- The town centre wasn't as crowded as usual. (= it is usually more crowded)
- Lisa didn't do as well in the exam as she had hoped. (= she had hoped to do better)
- The weather is better today. It's not as cold. (= yesterday was colder than today)
- I don't know as many people as you do. (= you know more people than me)
- 'How much did it cost? Fifty pounds?' 'No, not as much as that.' (= less than fifty pounds)
You can also say
not so ... (
as):
- It's not warm, but it isn't so cold as yesterday. ( = it isn't as cold as ... )
Less ...
than is similar to
not as ...
as:
- I spent less money than you. (= I didn't spend as much money as you)
- The city centre was less crowded than usual. (= it wasn't as crowded as usual)
- I play tennis less than I used to. (= I don't play as much as I used to)
We also use
as ...
as (
but not so ... as) in positive sentences and in questions:
- I'm sorry I'm late. I got here as fast as I could.
- There's plenty of food. You can have as much as you want.
- Let's walk. It's just as quick as taking the bus.
- Can you send me the information as soon as possible, please?
Also twice as ...
as,
three times as ...
as etc. :
- Petrol is twice as expensive as it was a few years ago.
- Their house is about three times as big as ours.
107.1 Complete the sentences using as ... as.
107.2 Write a new sentence with the same meaning.
107.3 Complete the sentences using as ... as + the following:
- bad
- comfortable
fast- hard
- long
- often
- quietly
- soon
- well
107.4 Write sentences using the same as.
107.5 Complete the sentences with than ... or as ... .