1) The percentage of British exports in world trade didn't decline significantly.
Did the percentage of British exports in world trade decline significantly?
2) Business transactions don't usually start with enquiries.
Do business transactions usually start with enquiries?
3)Investing in infrastructure for industry won't encourage economic growth.
Will investing infrastructure for industry encourage economic growth?
You must wash hands befor eatyou must wash hands
you must wash hands and fase before you go to bed
you must firstly think and then speak
say goodnight befor you go to bed
you must do homework first and then you can play
you must think before write
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