CONDITIONAL CLAUSES

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Transcript CONDITIONAL CLAUSES

CONDITIONAL CLAUSES
CONDITIONAL CLAUSES
 complex clauses: main clause + subordinate clause
 main clause: can stand on its own
 subordinate clause: starts with the conjunction;
depends on the main clause and cannot stand on
its own
 If you listen carefully, you will learn this.
subordinate (if) clause
main clause
CONDITIONAL CLAUSES
 the position of each clause isn’t important
 the sentence can start with both, the main or the
subordinate clause
 however, it the sentence starts with the subordinate
clause it has to be separated with a comma
 If you don’t come on time, we will leave without you.
 We will leave without you if you don’t come on time.
ZERO CONDITIONAL
 expresses something always true
 both clauses have present simple verb
 e.g. If you heat water, it boils.
If you press the switch, the computer comes on.
If it rains, it pours.
FIRST CONDITIONAL
 expresses future possibility – something that
might happen
 main clause has future simple verb
 subordinate (if) clause has present simple verb
 e.g. If we hurry, we will catch the bus.
If it doesn’t rain, we will have a picnic.
I won’t get any better if I don’t practice.
We will help you if you wait one moment.
FIRST CONDITIONAL
 some other verb forms are also possible
 present continuous and present perfect can come
in the subordinate (if) clause
 e.g. If we are expecting visitors, we will have to
clean the flat.
If you are having a party, we will bring snacks.
If you have finished with the computer, I will
use it.
If you have read the book, I will read it.
FIRST CONDITIONAL
 modal verbs, going to future and future continuous
can come in the main clause
 e.g. If it doesn’t rain, we will be having a picnic.
If you haven’t got a modem, you can’t surf.
If he jogs regularly, he might lose weight.
If he is going on a job interview, he should
wear a tie.
If he asks me to marry him, I’m going to say yes.
FIRST CONDITIONAL
 except future possibility, first conditionals can
also express offers, suggestions, warnings and
threats
 e.g. If you need a ticket, I can get you one.
If you feel like seeing the sights, we can take
the bus tour.
If you go on like this, you’ll make yourself ill.
If you don’t apologize, I’ll never speak to
you again.
SECOND CONDITIONAL
 expresses an imaginary or unreal situation in the
present
 main clause has would + verb
 subordinate (if) clause has past simple verb
 e.g. If I got up earlier, I wouldn’t always be late.
(but I don’t get up early, so I am always late)
If I had enough money, I would buy this book.
(but I don’t have enough money, so I won’t buy it)
SECOND CONDITIONAL
 some other verb forms are also possible
 past continuous can come in the subordinate (if) clause
 in the subordinate (if) clause we often use were instead
of was especially with If I were you... phrase
 e.g. If Rachel were playing her stereo, it wouldn’t be
so quiet here. (but she isn’t playing, so it is quiet)
If you were talking to me, I would listen to you.
(but you are talking to somebody else, and he/she
isn’t listening to you)
SECOND CONDITIONAL
 modal verbs could & might can come in the main
clause
 e.g. If we had a calculator, we could work this out
a lot quicker.
(but we don’t have it)
If she worked harder, she might do even
better at her studies.
(but she doesn’t work hard enough)
SECOND CONDITIONAL
 second conditional can also express offers &
suggestions, but it is less direct than the first
conditional and the speaker is not sure about it
 e.g. If you needed a ticket, I could get you one.
If you wanted to see the sights, we could take
a bus tour.
COMPARE
FIRST CONDITIONAL
If I go shopping , I will need some
money.
(give me the money, because I
will go)
If I win the jackpot today, I will
buy you whatever you want.
(there is a chance of winning)
If Sarah calls, can you tell her to
call back later?
(she will call, but I won’t be here
to answer)
SECOND CONDITIONAL
If I went shopping , I would need
some money.
(but I don’t need the money,
because I am not going)
If I won the jackpot today, I would
buy you whatever you wanted.
(there is no chance of winning)
If Sarah called, could you tell her to
call back later?
(she probably won’t call, I’m telling
you this just in case she does)
SIMILAR STRUCTURES
 there are also some other conjunctions which can
appear in these structures
 when can be used in zero conditional & means
‘every time’
 it can also be used in first conditional to express
certainty
 e.g. When you run, you use up energy.
(every time you run, you use up energy)
Will you call me when you hear some news?
(you will definitely hear some news)
SIMILAR STRUCTURES
 unless can be used in all conditionals and means
‘if...not’
 e.g. I can’t see if I don’t wear glasses. =
I can’t see unless I wear glasses.
If you can’t pay the bill, you will have to leave. =
Unless you can pay the bill, you will have to leave.
I wouldn’t say that if I didn’t believe it. =
I wouldn’t say that unless I believed it.
SIMILAR STRUCTURES
 in case can be used in all conditionals and means the
same as ‘if’
 we use it to talk about doing something to avoid a
possible problem later on
 e.g. Take a sandwich in case you get hungry.
I will reserve a seat today in case the train is full
tomorrow.
She took two photos in case one of them didn’t
come out.
by Irene, 2009
 They would be offended if I ( not go ) to their party.
 If you take more exercise, you ( feel )better.
 If they offered me the job, I think I ( take ) it.
 A lot of people would be out of work if the factory
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(close down ).
If I sold my car, I ( not get )much money for it.
I will be very upset if you ( not call ) me.
I′m sure she (understand ) if you explained the
situation to her.
They will go without him if he (not come)on time.
What would happen if someone (press) this button?
What you ( do ) if you saw a ghost ?
 A: 'Are you coming to town with me this afternoon?'
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B: 'Perhaps. If I /finish/ decorating/ the living room, I
/come/ with you.'
'I don't have any money. If I /have/ some money, I /buy/ you
lunch.'
'I always go on holiday to Italy. If the weather in Scotland
/be/ better, I /go/ there.'
A:'I've got so much work to do!'
B: 'I'm sorry. I have a lot of work, too. If I /have/ more time,
I /help/ you.
'I'm a teacher. If I /be/ the Minister for Education, I /spend/
more money on schools and students.'
A: 'I've lost my address book.'
B: 'If I /find/ it, I /bring/ it to you.'
'I have a fever. If I /feel/ better tomorrow, I /go/ back to
school.'
A
B
C
you go to work in the
morning?
you see her.
when
he gets the job?
if
my guests arrive.
I'd buy a new house
I'll clean up the house
I'll call you
If you want the ticket, you
should phone the theatre
What will he do
I'm watching TV now, but I
promise I'll help you
You'll recognize her
Do you have breakfast
before
as soon as
I won the lottery.
dinner is ready.
the ticket office opens.
this programme finishes.