noun
1
BAD : What was the reason for the traffic jam?
GOOD : What was the cause of the traffic jam?
◆◆◆
See note at CAUSE 1 (↑ cause )
2
BAD : My reason of coming here is to improve my English.
GOOD : My reason for coming here is to improve my English.
BAD : There are several good reasons to have children.
GOOD : There are several good reasons for having children.
◆◆◆
reason for (doing) sth : 'He wanted to know the reason for your absence.' 'What reasons do you have for thinking that?'
3
BAD : The main reason because I am here is to study for my Master's degree.
GOOD : The main reason why I am here is to study for my Master's degree.
GOOD : My main reason for being here is to study for my Master's degree.
BAD : The weather here is always warm and this is the reason because there are so many public swimming pools.
GOOD : The weather here is always warm and this is (the reason) why there are so many public swimming pools.
◆◆◆
reason why (NOT because/how ): 'Most of you are aware of (the reason) why I've called this meeting.'
reason for doing sth : 'Most of you are aware of my reason for calling this meeting.'
4
BAD : My reason for not buying the car was because it was too expensive.
GOOD : My reason for not buying the car was that it was too expensive.
◆◆◆
the/sb's reason ... is that (NOT is because ): 'Her reason for going all the way to the Bahamas is that she wants some winter sunshine.'
5
BAD : I don't agree with them by many reasons.
GOOD : I don't agree with them for many reasons.
BAD : The closing date for applications was last Saturday and by this reason we cannot offer you a place on the course.
GOOD : The closing date for applications was last Saturday and for this reason we cannot offer you a place on the course.
◆◆◆
for ... reason/s (NOT by ): 'For these reasons next year's rice harvests are likely to be very disappointing.'
6
See CAUSE 2 (↑ cause )