CONDITIONALzero1st2nd3rd
Usamos conditionalsentence (Ifclause)quando queremos dizer que uma coisa irá acontecer em função de outra,
Ifclause ( ConditionalSentences)Apresentam diferentes combinações de tempos verbais e vêm relacionadas a orações principais
Ifshe comes, shewillmeethim
Ifyoupouroilonwater, theoilfloats
IfI founda wallet in thestreet, I wouldtake it to thepolicestation
If I hadtakenmyumbrella, I wouldn´t havegotwet.
Compare theseexamples:(1) Lisa haslostherwatch. Shetells Sue:Lisa: I´velostmywatch. Haveyouseen it anywhere?Sue: No, butifI findit, I´lltellyouIn this exemple, Sue feels is real possibilitythatshewillfindthewatch
Janet says:(2)IfI founda wallet in thestreet, I wouldtaketo thepolicestation
This is a differenttypeofsituation. Here, Joe doesn´t expect to find a wallet in thestreet; he is imagining a situationthatwillproblablynothappen. (unrealsituation
ConditionalSentences são formadas por uma oração principal e uma subordinada(condicional), unidas por IF ou outra conjunção condicional. Elas podem expressar:
Zero conditionalSimplePresent+ SimplePresent
1. Utilizado para falar sobre verdade universal ou para dar uma ordem, uma instrução (atemporal)Ifyouheatwater to 100 ºC, it boils
Zero conditionalSimplePresent+Imperative
1. Utilizado para falar sobre verdade universal ou para dar uma ordem, uma instrução (atemporal)Ifyouneedhelp, callme
1ST CONDITIONAL (real)SimplePresent+Future (will)Como alternativa para WILL podemos usar (can, may, might, should, must)
Utilizado para expessar uma ação possível de acontecer no futuroreal situation
IfI havemoney, I willbuythis book.
Wewillgo to themountainsonthe weekend if it doens´t  rain
2ND CONDITIONAL (unreal)SimplePast+ WouldComo alternativa para would podemos usar Could
Descrevem condições e resultados improváveis ou impossíveis no futuro ou presente(Unreal)
If I hadthe chance, I wouldstudy in Harvard.
If I had a milliondollars, I wouldbuyanairplane
3rd conditionalPastPerfect+Wouldhave + Pastparticiple
Utilizado para expressar uma ação que não se concretizou no passado e sua provável consequênciaHipóteses sobre o que não aconteceu no passado, situações em que não se pode voltar atrás.
Iftheyhaddrivenmore carefully, theaccidentwouldn´t havehappened
Ifwehadarrivedearlier, wewouldhavegottentickets for the show
CHOOSE THE CORRECT ALTERNATIVE1ST CONDITIONAL:  WILL + PRESENT TENSE  2ND CONDITIONAL: WOULD + SIMPLE PAST
1.I'll be back here by ten p.m. ___________tonight...A.if the train wasn't late.B.unless the train is late.
3.If no one calls by next week_______________ A.I would sell the stereo to you. B.I will sell the stereo to you.
4. I would tell you of course___________A.if I knew the answer.B.if I'll know the answer.
5. Whatwillyoudo__________ A.if she refuses to go out with you? B.if she'll refuse to go out with you?
6. Ifyoustudiedmore________A. you won't fail your exams.B.you wouldn't fail your exams.
7.I'll give you the money tomorrow___________A.if I canB.if I could
NextClass: Don´t forget to bringyour book, unit 29 (POVERTY AND BASIC RIGHTS)

Conditionals