If I had known that fact, I would have visited you.
Объяснение:
In 3rd conditional the if clause is used with past perfect. The main clause is formed usind would + have/has + past participle
If I had known that fact, I would have visited you.
Объяснение:
In 3rd conditional the if clause is used with past perfect. The main clause is formed usind would + have/has + past participle