Luyện ngữ pháp - English Collocations in Use - Intermediate ((Unit 9: Basic concepts))


Number and frequency

Talking about numbers

collocation example comments
odd/even numbers 51 is an odd number – 50 is an even number odd numbers = 1, 3, 5, etc.
even numbers = 2, 4, 6, etc.
a decline/drop in the number of There’s been a recent decline in the number of boys joining the army. Drop is more informal than decline.
an increase/rise in the number of The increase in the number of homeless people is worrying. Rise is slightly more informal than increase.
come to a total of If we add up all the figures, it comes to a total of 794. A calculation comes to a total of ×; the person calculating arrives at a total of ×.
birth rate rises/falls Over the last few years the birth rate has been falling. A rate can also drop or decline as well as fall.
a unit of currency/ measurement The standard unit of currency in most EU countries is the euro. We also talk about a unit of electricity, unit of length.
- Lesson 46: A. Commenting on how much or how many - Lesson 46: C. Frequency


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