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Copy of Conditional Sentences

Structure of conditional sentences 1st, 2nd, 3rd
by

Ashley Andrews

on 2 March 2016

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Transcript of Copy of Conditional Sentences

Conditional Sentences
First Conditional: real possibility
In order to explain the Conditional Sentences, we will think of Tom.

Tom has real problems because his ship sank and he arrived at a tiny island. On the island there is only grass and a palm tree.

It is always sunny there but he has no food nor water. What can he do?
Tom finds two new problems:




We use WILL + INFINITIVE to talk about the
possible future
result. The important thing about the first conditional is that there is a
real possibility
that the condition will happen.
He thinks:
“If I stay on the island, I will get burned”
He thinks:
“If I swim, the sharks will eat me”

1. There is a fire on the island!
2. There are sharks in the sea!
Notice that we are thinking about a future condition. Tom is not swimming right now. But he can see the sharks. We use the
present simple
tense to talk about the possible future condition.
Second Conditional: Improbable
if + Present Simple + Will INFINITIVE
“If I
stay
on the island, I
will

get
burned”
“If I
swim,
the sharks
will eat
me"
if + Past Simple + Would INFINITIVE
Third Conditional: Impossible / Past
if + Past Perfect + Would Have PARTICIPLE
Summary
if + Present Simple + Will INFINITIVE
if + Past Simple + Would INFINITIVE
if + Past Perfect + Would Have PARTICIPLE
1
2
3
He starts thinking of unreal situations:
He hopes he had wings
He hoped a boat appeared
He thinks:
“If I had wings, I would fly home”
He thinks
“If I had a boat, I would sail home”
The second conditional is like the first conditional. We are still thinking about the future; but there is
not a real possibility
that this condition will happen. It is like a
dream.
It's not very real, but it's still possible.
We use the
past simple
tense to talk about the future condition. We use
WOULD + INFINITIVE
to talk about the future result.
“If I
could
fly, I
would fly
home”
“If I
had
a boat, I
would sail
home”
After some time...
A friend of him, Tim, is flying in his helicopter ...
when he suddenly sees Tom’s red shirt!
Tim saves Tom.
Once in the helicopter Tom says:
“If I had not worn a red shirt, you would not have seen me”
“If you had decided to stay home today, I would have died!”
“If I
had
not
worn
a red shirt, you
would
not
have seen
me”
“If you
had decided
to stay home today, I
would have

died
!”
The first conditional and second conditionals talk about the future. With the third conditional we talk about the
past.
We talk about a condition in the past that
did not happen
. That is why there is
no possibility
for this condition. The third conditional is also like a dream, but with no possibility of the dream coming true.
Notice that we are thinking about an i
mpossible past condition
. We use the
past perfect
tense to talk about the impossible past condition. We use
WOULD HAVE + past participle
to talk about the impossible past result. The important thing about the third conditional is that both the condition and result are impossible now.
by Ms. Ashley
Full transcript