mutiplying predeterminer + noun phrase – English Grammar Profiler

‘double, treble, quadruple’ can be multiplying predeterminers. They come before other determiners in a noun phrase. For example,

‘double the national average.’

Bloomberg.com

New York City‘s unemployment rate was nearly double the national average in June.

Other multiplying expressions:

He earns three times more than me.
She gets paid nearly three times as much as me.

*In the English Vocabulary Profile, B1 if followed by a comparative structure.

We can’t be sure the following are all predeterminers because they can be verbs too.

1 DOUBLE THE NATIONAL AVERAGE 615
2 DOUBLE THE LEGAL LIMIT 146
3 DOUBLE THE PREVIOUS YEAR 98
4 DOUBLE THE NATIONAL RATE 97
5 DOUBLE THE PREVIOUS RECORD 81

1 QUADRUPLE THE ORIGINAL PRICE 6
3 TREBLE THE PREVIOUS SEASON 5

1 IS QUADRUPLE THE AMOUNT 4
2 IS QUADRUPLE THE NUMBER 4