If-C lauses

• If he doesnʼt know how to dance, he wonʼt invite her to theball.

• If he didnʼt know how to dance, he wouldnʼt invite her to theball.

• If he hadnʼt known how to dance, he wouldnʼt have invitedher to the ball.

Exerc ise sCh oo se th e be st opt io n .

• If he keeps smoking, he may get sick.• If he kept smoking, he might get sick.• If he had kept smoking, he might have gotten sick.

• If there is extraterrestrial life, we will know it bynow.

• If there were extraterrestrial life, we would know itby now.

• If there had been extraterrestrial life, we wouldhave known it by now.

• If you keep driving this fast, you will havean accident.

• If you kept driving this fast, you would havean accident.

• If you had kept driving this fast, you wouldhave had an accident.

• If he isnʼt sleeping, he will see the fish and themermaid.

• If he werenʼt sleeping, he would see the fishand the mermaid.

• If he hadnʼt been sleeping, he would haveseen the fish and the mermaid..

• If the bear doesnʼt eat so much fish, it wonʼt put onso much weight.

• If the bear didnʼt eat so much fish, it wouldnʼt put onso much weight.

• If the bear hadnʼt eaten so much fish, it wouldnʼthave put on so much weight.

• If he isnʼt so thin, he will lift the weights.• If he werenʼt so thin, he would lift the weights.• If he hadnʼt been so thin, he would have lifted the

weights.

• If there are bees, there will be some honey.• If there were bees, there would be some honey.• If there had been bees, there would have been

some honey.

• If I live in pre-historic times, I willprobably look like this.

• If I lived in pre-historic times, Iwould probably look like this.

• If I had lived in pre-historic times,I would have probably looked likethis.

• If he isnʼt careful, he will fall.• If he werenʼt careful,he would fall.• If he hadnʼt been careful,he would have fallen.

• If the child isnʼt sick, he wonʼt go to the doctor.• If the child werenʼt sick, he wouldnʼt go to the

doctor.• If the child hadnʼt been sick, he wouldnʼt have gone

to the doctor.

• If I am Russian, I will be able to dance like this.• If I were Russian, I would be able to dance like

this.• If I had been Russian, I would have been able

to dance like this.

• If you dress this way, people will thinkyouʼre a punk.

• If you dressed like this, people wouldthink you were a punk.

• If you had dressed like this, peoplewould have thought you were a punk.

• If I have so much money, I wonʼt throw it away.• If I had so much money, I wouldnʼt throw it

away.• If I had had so much money, I wouldnʼt have

thrown it away.

• If the pilot is experienced, the plane wonʼt fall.• If the pilot were experienced, the plane

wouldnʼt fall.• If the pilot hadnʼt been experienced, the plane

wouldnʼt have fallen.

• If the computer doesnʼt get a virus, you donʼtneed to get it fixed.

• If the computer didnʼt get a virus, you wouldnʼtneed to get it fixed.

• If the computer hadnʼt gotten a virus, youwouldnʼt have needed to get it fixed.

• If the sun is strong, heʼll catch a sunburn.• If the sun were strong, he would catch a

sunburn.• If the sun had been strong, he would have

caught a sunburn.

• If the parachute doesnʼt open, he will die.• If the parachute didnʼt open, he would die.• If the parachute hadnʼt opened, he would

have died.

• If Sylvester catches Tweety, heʼll eat it.• If Sylvester caught Tweety, he would eat it.• If Sylvester had caught Tweety, he would

have eaten it.

• If he doesnʼt commit acrime, he wonʼt go to jail.

• If didnʼt commit a crime, hewouldnʼt go to jail.

• If he hadnʼt committed acrime, he wouldnʼt havegone to jail.

• If he doesnʼt put out the fire,he may get burned.

• If didnʼt put out the fire, hemight get burned.

• If he hadnʼt put out the fire,he might have gotten burned.

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