This document discusses conditional sentences in English using different types of conditionals. It provides examples of type 1, 2, and 3 conditionals using "if", "unless", and exercises for students to practice forming conditional sentences in different scenarios. The document focuses on the grammar structures needed to form conditional sentences in English.

1. CONDITIONALS
IF...

2. JSP 2
TYPE 1
Probable
IF + PRESENT SIMPLE ... WILL/WON’T + VERB
If he wakes up early, we will go for a walk

3. JSP 3
TYPE 2
Improbable
IF + PAST SIMPLE ... WOULD/WOULDN’T + VERB
If he woke up early, we would go for a walk

4. JSP 4
TYPE 3
Impossible
IF + PAST PERFECT ... WOULD + HAVE + VERB
If he had woken up early, we would have gone for
a walk

5. JSP 5
Unless
Unless = if not [a no ser que...]
Unless he tells me the truth...
=
If he doesn’t tell me the truth...

6. JSP 6
EXERCISES I
1. I will go to see him if I .................... (have)
time.
2. If it is foggy this evening, I ....................
(stay) at home.
3. Unless we .................... (turn) back now, we
shall/will be late.
4. .................... (you, come) to a picnic next
Monday if it is fine?
5. I will not do it unless they ....................
(agree).

7. JSP 7
EXERCISES II
6. If pigs ....................(have) wings, they would
fly.
7. If he .................... (work) harder, he would
earn more.
8. What .................... (happen) if you pulled the
trigger?
9. If it .................... (start) to rain, we should
take our coats.
10. If I .................... (be) you, I wouldn’t send her
sms’s any more.

8. JSP 8
EXERCISES III
11. The world would end if that ....................
(happen).
12. I .................... (die) unless you give me a
drink.
13. Be here early if you ....................(want) to get
a good seat.
14. They ....................(succed) if they had had
some help.
15. I .................... (kiss) her if she hadn’t been so
made up.

9. JSP 9
EXERCISES IV
16. I .................... (drink) my tea if it had not
been so hot.
17. The game .................... (last) longer if the
light had been better.
18. I .................... (buy) it if it had been cheaper.
19. No one .................... (hear) you if you had
not shouted.
20. You would have cheered if you ....................
(be) there.

10. JSP 10
EXERCISES V
Finish the following sentences
1. If people stopped getting married...
2. If television started showing more
programmes about...
3. If I hadn’t lost my passport...
4. If he reads the text again...
5. If we had been born in Australia...

11. JSP 11
Words to remember
Unless  a no ser que...
Provided that  siempre y cuando...
As long as  siempre que...
If I were you  yo en tu lugar...