Suppose that we are given the pattern below.
(ex) 2,4,6,8,10,12,...
(1a) The pattern increases by two.
(2a) Can you count by twos?
My non-native English speaking friends think I am wrong. Their changes are given below.
(1b) The pattern increases by twos,
(2b) Can you count by two?
Who is correct? Thank you very much for your help.
I wouldn't say that the pattern increases by two(s). I think I would say (using sentences as near to possible as yours): The numbers increase in twos. Can you count in twos?
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I wouldn't say that the pattern increases by two(s). I think I would say (using sentences as near to possible as yours):
The numbers increase in twos.
Can you count in twos?