Question 30: One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them: If I had known the time when the match started, I would have told you.
The conditional condition refers to the event that occurs in the QK, we use the third type of condition to make an assumption contrary to the QK. If B is not structured, then QKHT, correct it to I had known
If I had known the start time of the match, I would have told you