If you go out with your friends tonight, I will watch the football match on TV.

If I were stronger, I'd help you carry the piano.

If you had switched on the lights, you would not have fallen over the chair.

If I had enough money, I would buy that radio.

If milk smells bad, I don’t drink it.

Unless = If .. not

Type 1 = Possible Future

Type 0 = Unreal

Type 3 = Present Unreal

If water ___ below 0 degrees Celsius, it turns to ice.

If he ___ the invitation, he could have joined us yesterday.

If you ___ to bed earlier, you wouldn’t feel so tired.

f she ___ harder, she might have passed the exam.

If we ___ enough time, we ___ the museum yesterday.

If the weather ___ better tomorrow, we ___ on a picnic.

If it ___ heavily, the roads ___ slippery.

If I ___ you, I will call you back later.

If you give me your address, I would send you a postcard.

เติมกลอน If clause ให้ถูกต้อง If _____ ฉันคู่ will v.inf

เติมกลอน If clause ให้ถูกต้อง If had V.3 จะไม่หนี _____________