Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions
I didn’t see Tim off at the airport. I regret it now.
I could have seen Tim off at the airport.
If only I had seen Tim off at the airport.
That I didn’t see Tim off at the airport escapes me now.
It suddenly dawns on me that I should have seen Tim off at the airport.
Correct answer: GET
Knowledge: Wish sentence
If only = wish: wish, if only
The context “didn’t see” is simple past tense. => wish opposite to the past
Past wish formula: S + wish + S + had PP = If only + S + had PP