Hi all , First of all ,I am not a native speaker so you might find my question a bit silly .Anyways, question is as below : Which one is correct of two : A) this would reduce air pollution and possibly improve well-being of the population if they "did" adopt a more active lifestyle . or B)this would reduce air pollution and possibly improve well-being of the population if they "do" adopt a more active lifestyle .
*this in above statement can be taken as any possible measure such as "greater investment in public transport"
A quick response with detail explanation would be much appreciated.
Thanks in advance.
You may respond me back on "Email Removed"
Top answer
It would [do something] if they did X. It will [do something] if they do X. If they did X, it would...
— BarbaraPA
It would [do something] if they did X.
It will [do something] if they do X.
If they did X, it would...
If they do X, it will...
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