Inversion in Conditionals

Should you require more information,

• Let me know

• You had told me

• You should have told me

• Would you have told me?

Should she study law,

• I will pay for the tuition fees

• Will you pay for the tuition fees?

• Let’s pay for her tuition fees

• All are correct

Should you be tired at the end of the day,

• Let the trainer know

• Will you let the trainer know?

• Would you let the trainer know?

• All are correct

Were you to get lost in a desert island,

• What will you do?

• What would you have done

• What would you do?

Were the negotiations to fall through,

• It I’ll bring unforseen problems.

• It would bring unforeseen problems.

• It would have brought unforeseen problems

• It brings unforsee problems

Were they to break up,

• Will you fall out with any of them?

• Do you fall out with any of them

• Would you fall out with any of them?

• Would you have fallen out with any of them?

Had I not been there,

• It is a problem

• It was a problem

• It would have been a problem

Had it not rained,

• Let’s go for a walk

• We will go for a walk

• We would have gone for a walk

Had Neymar played that infamous game,

• Brazil would not have lost 7-1 to Germany

• Brazil would not lose 7-1 to Germany

• Brazil will not lose 7-1 to Germany

(a)   you told me about it, I would have known.