1. he didn’t miss the plane because he hurriedWomen can delay having children due to effective birth control methods.
A. If there are not effective birth control methods
B. , women can not delay having children
C. Unless women could delay having children there were not effective birth control methods
D. If there were not effective birth control methods, women could not delay having children
E. If there had not had effective birth control methods, women could not have delayed having children
2. He can not find a good job because he doesn’t know how to use a computer
A. If he knows how to use a computer, he can find a good job
B. If he knew how to use a computer, he could find a good job
C. If he had known how to use a computer, he could have found a good job
D. If he had known how to use a computer, he could find a good job
3. The coffee was too hot for us to drink
A. Although the coffee was so hot we could drink it
B. If the coffee were not too hot, we could drink it
C. If the coffee had not been too hot, we could have drunk it
D. Because the coffee was too hot, we drank it
4. He had spent his money carelessly and became broke
A. If he doesn’t spend his money carelessly, he will not become broke
B. If he didn’t spend his money carelessly, he would not become broke
C. If he hadn’t spent his money carelessly, he would not have become broke
If he didn’t spend his money carelessly, he would not have become broke