To make up 5 affirmative and 5negative sentences using Third conditional

Sure! Here are 5 affirmative and 5 negative sentences using the third conditional.

Affirmative Sentences:

1. If she had studied harder, she would have passed the exam.
2. If they had left earlier, they would have caught the train.
3. If I had known about the party, I would have attended.
4. If we had taken the other route, we would have arrived on time.
5. If he had practiced more, he would have won the competition.

Negative Sentences:

1. If she hadn't forgotten her notes, she would have felt more prepared.
2. If they hadn't missed the bus, they wouldn't have been late.
3. If I hadn't wasted time, I would have finished the project sooner.
4. If we hadn't run out of gas, we wouldn't have been stranded.
5. If he hadn't ignored the warnings, he wouldn't have gotten into trouble.

Feel free to ask if you need more examples or help with anything else!