<span>1. If I know, I will tell you.</span>
<span>2. If she wants to talk she will ring up.</span>
<span>3. Her health will improve if she sleeps longer.</span>
<span>4. If he has enough money, he will buy a large house.</span>
<span>5. She will feel lonely if Peter goes out every evening.</span>
<span>6. We will be pleased to see you if you arrive.</span>
<span>7. If we can come on Sunday, we will come.</span>
<span>8. I will understand Mr. Smith if he speaks slowly.</span>
<span>9. We will not go by ship unless there are no other way.</span>
<span>10. If you don't give him good meals, he won't be able to work hard.</span>
<span><span>1. If she had tired, she could have been better.</span></span>
<span><span>2. He would have done more work if he had been able.</span></span>
<span><span>3. I should have lived better if I had earned more money.</span></span>
<span><span>4. If I had known the answer, I should have told you.</span></span>
<span><span>5. He wouldn't have come unless you had invited him.</span></span>
<span><span>6. We shouldn't have remembered it if it hadn't been so strange.</span></span>
<span><span>7. If I had had time, I would have helped you.</span></span>
<span><span>8. Peter would have come if you had wanted him to.</span></span>
<span><span>10. If you had written more often, you would have received more letters.</span></span>
<span><span>11. They would have prefered to keep it if they could.</span></span>
<span><span>12. I would have bought it by myself if I had had money.</span></span>
<span><span>13. If they had offered it to me for nothing, I wouldn't have taken it.</span></span>
<span><span>14. I should have broken a promise if I had answered your question.</span></span>
<span><span> 15. If you had sworn to keep a secret, I would have told you.</span></span>
