Last time we dealt with Condition 2.
It's high time for Condition 3.
If I had known the truth, I would have acted in a different way.
Condition 3 refers to the Past. As a result of that, it is not realistic. We cannot change the past. The sentence given as an example means that I did not know the truth in time and I acted in a way that I probably regret now. I would have acted differently if I had known the truth in time.
We may also write this sentence in the following way:
Had I known the truth, I would have acted in a different way. (We omit the word if and write the condition in the question form even though it is not a real question.)
We may also use SUPPOSE instead of IF or UNLESS instead of IF NOT in Condition 3.
Suppose they had warned you, would you have listened to them?
I wouldn't have come unless you had invited me.
Sometimes, the condition refers to the Past and the result refers to the Present. We call this structure: The Mixed Condition. The condition is in the Past Perfect and the result is in the Future Past.
If I had not eaten so much at dinner (in the Past), I would feel much better (now).
I would teach the Mixed Condition only in very good 11th and 12th grades. Students may find it confusing.
And that is all for today. 🙂
For further explanations, please see:
דקדוק אנגלי לדוברי עברית, עמ' 101
For practice, please see:
The New Language Guidebook and Workbook, p 97-100.