Learn English – “If I didn’t studied before, I wouldn’t know anything of this”

conditional-constructions

My father and I we're discussing about the third conditional. The sentence is:

"If I didn't studied before, I wouldn't know anything of this".

The construction of the 3rd conditional is:

if + past simple + would/wouldn't + *infinitive

My father says the correct sentence is:

"If I hadn't studied before, I wouldn't know anything of this".

And I say the correct sentence is:

"If I didn't studied before, I wouldn't know anything of this".

What's the correct sentence?

Best Answer

Sorry, but your father is correct. The correct sentence is:

"If I hadn't studied before, I wouldn't know anything of this."

However, if you wrote the following, it would be correct:

"If I didn't study before, I wouldn't know anything of this."

Also, "I wouldn't know anything of this" sounds a little odd, although it is grammatically correct. "I wouldn't know anything about this" sounds more natural.

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