A. If B. Should C. Were D. Would
A. If I received B. Should I receive C. Had I received D. If I could have received
A. has told; was B. told; was C. told; had been D. had told; was
A. were B. had been C. are D. should be
A. didn't met; would be B. didn't; would have been C. hadn't met; would be D. hadn't met; would have been