1. Had I *known* about the meeting, I would have attended. (past perfect form after „Had”)
2. Were she *here*, she could help us. (inverting „If she were here”)
3. Should you *need* assistance, please call me. (using „Should” instead of „If”)
4. Had they *left* earlier, they would have caught the train. (past perfect after „Had”)
5. Were it *possible*, I would travel more. (inverting „If it were possible”)
6. Should he *arrive* late, we will start without him. (using „Should” for future possibility)
7. Had I *seen* the sign, I wouldn’t have taken that road. (past perfect after „Had”)
8. Were you *to ask* me, I would say yes. (inverting „If you were to ask”)
9. Should they *call*, tell them I’m not available. (using „Should” to express condition)
10. Had she *been* more careful, she wouldn’t have made that mistake. (past perfect after „Had”)

1. Were I *in* your position, I would accept the offer. (inverting „If I were in your position”)
2. Should you *find* any errors, please report them. (using „Should” for condition)
3. Had he *known* the truth, he would have acted differently. (past perfect after „Had”)
4. Were they *ready*, we could start the presentation. (inverting „If they were ready”)
5. Should she *decide* to come, let me know. (using „Should” for future)
6. Had I *been* more patient, things would have turned out better. (past perfect after „Had”)
7. Were we *allowed* to enter, we would explore the building. (inverting „If we were allowed”)
8. Should he *offer* help, don’t refuse. (using „Should” to express condition)
9. Had they *taken* the advice, they might have succeeded. (past perfect after „Had”)
10. Were you *to meet* her, tell her I said hello. (inverting „If you were to meet”)