FIRSTSECONDTHIRDZEROIfIf II amam late late forfor schoolschool, , mymy teacherteacher getsgets aangryngry.If clause Main Main clause clauseIf + Present simple Present simpleIf I oversleep I miss the bus.If I miss the bus, I am late for school.If I am late for school, my teacher gets angry.IfIf II gogo toto London, London, II willwill seesee thethe Big Ben. Big Ben.If clause Main clauseIf + Present tense will / can / may / must + verbIf I go to London I will see the Big Ben.If I go to Buckingham
