CONDITIONAL
SENTENCES
Read and think about this situations
1
 Fernando
has a flight tomorrow early
in the morning. He usually wakes up
at 9 or after. His flight is at 8 and he
has to get the airport at least an
hour before. He must wake up earlier
tomorrow. If his alarm clock doesn’t
ring he won’t get on time.
2
 There
are many books in the library
but students don’t rent them.
Stephanie says “if the books were
more interesting, students would
take them and read more”.
3
 My
brother need to do a presentation
for his geography work. But he can’t
use the power point very well and he
couldn’t do that. If he had asked
me, I would have helped him with
his geography work.
Let’s think about…
 Na

primeira situação…
Fernando tem um voo e precisa acordar
cedo no dia seguinte. Se seu alarme não
tocar, ele não vai chegar a tempo.(If his
alarm clock doesn’t ring he won’t
get on time)
 Tratam-se de ações interligadas
para que algo ainda possa
acontecer, ou deixe de acontecer. É
um futuro possível.
POSSIBLE FUTURE

IF CLAUSE
SIMPLE PRESENT

MAIN CLAUSE
SIMPLE FUTURE (WILL)
If his alarm clock doesn’t ring he won’t get on time
If his alarm clock rings he will get on time
Let’s think about…
 Na

segunda situação…
Há muitos livros na biblioteca, mas os
alunos não os emprestam. Se os livros
fossem mais interessantes, os alunos os
pegariam e leriam mais.(if the books
were more interesting, students would
take them and read more)
 Tratam-se
de ações interligadas e
hipotéticas; plano imaginário.
Simple Conditional
– unreal situation 
IF CLAUSE
SIMPLE PAST

MAIN CLAUSE
CONDITIONAL (WOULD)
If the books were interesting,
students would read more
Let’s think about…
 Na

terceira situação…
Meu irmão precisava fazer uma
apresentação para o trabalho de
geografia e não pediu ajuda. Se tivesse
me pedido ajuda, teria feito o trabalho de
geografia.(If he had asked me, I would
have helped him with his geography
work.)
 Tratam-se
de ações interligadas para
que algo pudesse ter acontecido (ou
não) no passado.
Perfect Conditional

IF CLAUSE
PAST PERFECT

MAIN CLAUSE
CONDITIONAL PERFECT
(WOULD HAVE
+ PARTICIPLE)
If he had asked me, I would have
helped him with his geography work.
Perfect Conditional…

É também empregado quando queremos
nos referir a algo que deveria ter sido feito
(ou não) no passado para um efeito no
presente.
 If you had studied harder you would have
graduated today. (Se você tivesse estudado
mais você teria se formado hoje)

If they hadn’t bought their house, they
would have be living near us now. (Se eles
não tivessem vendido sua casa, eles estariam
morando perto de nós agora)
Observações
 Conjunções
usadas com
conditional sentences:
If – se
 Unless – a menos que

Observações
 com
IF o verbo to be no
passado é conjugado sempre
“were”, mesmo no singular.
If he were at home…
 If I were at school…

Observações
A
chamada “if clause” pode tanto
iniciar quanto finalizar a frase. A
ordem é indiferente.
If they like the house, they will buy it.
 They will buy the house if they like it.


23.01) Choose the grammatically correct
proposition(s) to complete the blanks in the
following sentence:
If he _____ the basics of computers, he
_____ a better student.
01.
02.
04.
08.
16.
32.
learns - will become
understood – would become
would know – was
knew – would be
studied – become
Will learn - becomes

23.01) Choose the grammatically correct
proposition(s) to complete the blanks in the
following sentence:
If he _____ the basics of computers, he
_____ a better student.
01.
02.
04.
08.
16.
32.
learns - will become
understood – would become
would know – was
knew – would be
studied – become
Will learn - becomes

23.01) Choose the grammatically correct
proposition(s) to complete the blanks in the
following sentence:
If he _____ the basics of computers, he
_____ a better student.
01. learns - will become
02. understood – would become
08. knew – would be
= 11
23.02) Match the sentences so that they form
conditional clauses:

a.
b.
c.
d.
e.
Coluna A
If I have time
tomorrow,
Will you help me
If you listen to him,
Is the police catch him,
We’ll go for a walk

(
(
(
(
(
Coluna B
) if get into trouble?
) he’ll go to jail.
) if its stops raining.
) I’ll give you a ring.
) You will learn a lot.
23.03) If you don’t go, ______ very angry.
a)
b)
c)
d)
e)
I feel
I am
I was
I’ll be
I have been
23.03) If you don’t go, I’ll be very angry.
a)
b)
c)
I feel
I am
I was
d) I’ll
e)
be
I have been
23.04) If he likes that van, he ______ it.
a)
b)
c)
d)
will buy
could buy
would buy
buys
23.04) If he likes that van, he will buy it.
a) will
b)
c)
d)
buy
could buy
would buy
buys
24.01) Choose the correct proposition(s):
01. If you had listened to me, you would
have bought the tickets in advance, and
now we would be able to see the play.
02. If you had gone to the movies, you
would meet him.
04. If you had worked harder, you would
have been in a better positions today.
08. I would have bought the picture
yesterday, if I had seen it before.

16. Joe will see the show if it comes to
town.
32. If Paul were a real friend, he wouldn’t
have left us behind.
64. Unless Mike had known the truth, he
would never have notice.
01. If you had listened to me, you would have bought
the tickets in advance, and now we would be able to
see the play.
04. If you had worked harder, you would have been in
a better positions today.
08. I would have bought the picture yesterday, if I had
seen it before.
16. Joe will see the show if it comes to town.
64. Unless Mike had known the truth, he would never
have notice.
=93

24.02) Candidates who get a poor
result always regret: If I studied
more before sitting for the test, I
_____ it.
a) would pass
b) passed
c) have passed
d) would have passed
e) had passed

24.02) Candidates who get a poor
result always regret: If I studied
more before sitting for the test, I
would pass it.
a) would pass

24.03) Johnny would be happy if he
______ at the party.
a) had been
b) was
c) were
d) will be
e) is

24.03) Johnny would be happy if he
were at the party.
c) were

24.04) Indicate the alternative that best
completes the following sentence:
 If you had taken my advice, you ______.
a) would learned the lesson
b) would have learned the lesson
c) should learned the lesson
d) would learn the lesson
e) should understand the lesson

24.04) Indicate the alternative that best
completes the following sentence:
 If you had taken my advice, you would
have learned the lesson.
b) would have learned the lesson