Hola!Las oraciones condicionales expresan situaciones hipotéticas y sus posibles consecuencias. Están formadas por dos partes: una cláusula con "if" (condición)una cláusula principal (resultado). Aquí las oraciones completas:If I didn't go to the party, they would be disappointed.If he tells the truth, she will forgive him.If you feel sick, you should see a doctor.I would be very frightened if somebody broke into my house.If you don’t eat, you will get weak.If I don’t understand a word, I will look it up in my dictionary.I’m sure Susan would understand if you explained it to her.We will go to the beach if the weather is good.If we told them the truth, they would be angry.Espero te sirva.Saludos!