Which is correct:
In this glass, there is two times as much water as in that glass.
or
In this glass, there are two times as much water as in that glass.
Note: I know water
is uncountable, but why do we say:
There are two liters of water.
Liter
and time
are both countable nouns.
Best Answer
First, times is a plural noun in your sentence. And two times indicates two of this same noun. You can't use an adverb in the blank below:
This is verified by the Oxford English Dictionary:
Notice we can say either
or
depending upon whether the noun in the blank is a mass noun or count noun. We use much with mass nouns and many with count nouns.
It is precisely because water here is being used as a mass noun that we use is:
Take away the comparison terms and you are left with
Now if we are comparing a count noun, we can use are:
And this is an expanded version of
So far, so good. But now comes a big caveat. Many native speakers will use there's in this case also, either because they are considering the ice cubes as a single set or because there's is a frozen form that is used by native speakers even if the following noun is plural.
Many native speakers will even use there's for the reduced sentence
Some native speakers will find that clumsy, terrible sounding and downright ungrammatical. But the point remains that there's is used by native speakers to refer to more than one of something. See Can we use "there is" for plural nouns? (especially the accepted answer).
So, for the above reason, you can say either
or
But you probably should use are in writing and formal spoken English.