Conditional Sentence adalah kalimat pengandaian.Conditional terbagi atas 4 bagian, yaitu :
Factual Conditional (Type 0)
To talk about general Truth. (Untuk menyatakan sesuatu yang umum terjadi dalam suatu situasi dan yang merupakan hubungan sebab - akibat).
- POLA :
- If + Simle Present + Simple Present
- If you mix yellow and blue, you get green.
- If you eat to much, you gain weight.
- If the temperature of water drops to freezing point, it turns into ice.
- If water is added to oil, the oil floats on top.
Open Conditional (First Conditional = Type 1)
To talk about things in the future which can happen or which are possible. (untuk menyatakan sesuatu yang mungkin terjadi di waktu yang akan datang)
- POLA :
- If + Simpke Present + Simple Future
- If it rains, he will stay at home.
- I will tell you what he said, if you don't tell anyone.
- If I finish my work early today, I will go to the movie.
- If you leave before six, you will catch the bus.
- I will explain the lesson if you ask me.
- If you submit your home work , you will get a good grate.
Improbable Conditional (Type 2)
To talk about unreal present or future situations. (untuk menyatakan sesuatu yang tidak mungkin terjadi / kemungkinan terjadinya kecil).
- POLA :
- If + Simple Past + Past Future
- If I were a bird, I would fly. (the fact : I'm not a bird)
- If I knew the answer, I would tell you. (the fact : I don't know the answer)
- If she knew your number, she would call you. (the fact : she doesn't know your number)
- If he went to bed earlier, he would not be so tired in the morning. (the fact : he doesn't go to bed earlier)
Imposible Conditional (Type 3)
To talk about unreal past situations. (untuk menyatakan suatu kejadian yang terjadi di masa lampau).
- POLA :
- If + Past Perfect +Past Future Perfect
- If it hadn't rained yesterday, I would have gone to the beach. (the fact : it rained yesterday, so I didn't go to the beach)
- If I had had more time, I would have helped her. (the fact : I didn't have more time, so I didn't help her)
- If I had seen you, I would have said hello. (the fact : I am sorry, I didn't see you)