if四種條件句課件

1、FIRSTSECONDTHIRDZEROFIRSTSECONDTHIRDZEROIf I am late for school, my teacher gets angry.If clauseMain clauseIf + Present simplePresent simpleIf I am late for school, If clIf I oversleep If I oversleep I miss the bus.I miss the bus.If I miss the bus, I am late for school.If I miss the bus, I am late f

2、If I am late for school, my teacher gets angry.If I am late for school, my teIf I go to London, I will see the Big Ben.If clauseMain clauseIf + Present tensewill / can / may / must + verbIf I go to London, If clauseMaIf I go to London If I go to London I will see the Big Ben.I will see the Big Ben.I

3、f I go to Buckingham Palace, I can take a photo of the Royal Guard.If I go to Buckingham Palace, If you go to London, you must look right before crossing a streetIf you go to London, If clauseMain clauseIf + Past Simplewould / could / might + verbIf I were an astronaut, I would travel in a spaceship

4、.If clauseMain clauseIf + Past If I were an astronaut, I would travel in a spaceship.If I were an astronaut, If I travelled in a spaceship, I would go to Mars.If I travelled in a spaceship,Nice to meet you!If I went to Mars, I would meet a Martian.Nice to meet you!If I went to If I met a Martian, I

5、wouldnt understand him.?IfI avedIf I met a Martian, ?IfI avedIf I didnt understand him, I would come back to the Earth.If I didnt understand him, If I had studied hard, I would have passed my exams.If clauseMain clauseIf + Past Perfect tensewould/could/might + have + past participleIf I had studied hard, If clauIIf you had studied hard, you wouldnt have failed your exam.IIf you had studied hard, IIf you had passed your exam, you could have gone to the beach.IIf you had passed your exam, I