summit 2 book 6 cd pg 64

1. Thepresent factual conditional Thestructure for thepresent factual conditional is: If + presentsimple ( ifclause) + will/ begoing to (resultclause) Youcanalsoyouthemodalsmay / might / orcanwhentheresult is notcertain (possibility).

2. Thepresent factual conditional presentsimple won´t Ifyoupack a fewessentials in yourcarry-onyouwon´thave to worryaboutyourluggage. So, to formthepresent factual conditionalwe use thepresentsimplein theifclauseandwill / won´t in theresultclause.

3. Wecanalso use begoing to ormay / might / can ( possibilities) in theresultclause. presentsimple be + going to Ifyouchecktheluggagelimits, you´regoingto avoidthe extra charges.

4. Whenyou´renot 100% sureabouttheresultyoucan work withthemodalsmay / might / can. presentsimple possibility Ifyoutake a cabyoumay / might / canmake it on time to theairport.

5. Thepresentunrealconditional simplepastwould Iftheyflew more often, theywouldn´t besoairsick. Iftheyflew more often, theymightnotbesoairsick. In this case I´m usingif + simplepastbecausethe reality is thattheydon´t flyveryoftenandtheresulthas to bestructurizedwithwould + base formandifit´s a possibilitywithmayormight.

6. Thepastunrealconditional Thenamespeaks for itselfwiththisstructure. Thepastunrealcondionalrefers to somethingthat is unreal in thepastin otherswords it didn´t happen in thepastandtheresultmostofthe time is a regret in thepresent. pastperfect + would + have + participle ( pres. perfect ) If I (hadapplied) for a visa, I ( wouldn´t havehad) hassleswiththeimmigration). I didn´t apply for a visa, therefore I hadhassleswiththeimmigration.