This document discusses different types of conditional sentences in English. It begins by providing examples of zero, first, second, and third conditional sentences. It then explains mixed conditional sentences which connect past to present using unreal past conditions. The document also discusses inverted conditional forms using "should", "were", and "had". It provides examples of similar conditional expressions like "only if". Finally, it gives sample questions to test understanding of conditional sentences.
2. Zero Type
If you heat ice, it melts.
If you mix red and blue, you get purple.
If you want to come, call me before 5.00.
3. First Type
If it rains, I won’t go to the park.
If I study, I’ll go to the party tonight.
If I have enough money, I’ll buy new shoes.
4. Second Type
If I won the lottery, I would buy a big house .
If I met the Queen of England, I would say hello.
She would travel all over the world, if she were rich.
5. Third Type
If you had been more careful, you wouldn’t
have had an accident.
If I had seen you, I would have said hello.
He would have died if the ambulance hadn’t arrived
quickly.
6. Mixed Type
- Always unreal conditions.
- Used to connect past to present.
- Unreal past condition and its probable result in the
present.
7. Mixed Type
If she had passed the exam, she wouldn’t have to study now.
If I had been born in England, I could speak English very well.
If we hadn’t sold our house, we wouldn’t have to sit in a rental house
now.
If she had stayed with her mother, she would not feel so lonely.
If Billy had called me, I would talk to him now.
If the passenger had hurried, he would catch the train now.
If he were my real friend, he would have called me yesterday.
If we saw him again, we would have told him the truth.
If I had a lot of money, I wouldn't have walked too much and I
will take a taxi to the office.
9. Inverted «if»
1. First Conditional inverted (should) :
• Replace “if” with “should.”
• Replace the verb with the bare infinitive. (e.g.
“goes” →” go,” “has” → “have,” am/is/are →
“be”)
• Negative : Should Batman not come, we’re in
big trouble. But don’t worry, he always comes.
10. Inverted «if»
2. Second Conditional inverted (were):
• Replace “if” with “were.”
• Change the verb to the infinitive form (with “to”).
• Negative : Were Anna not a smart person, she’d
give all her money to Shady Nick.
11. Inverted «if»
3. Third Conditional inverted (Had):
• Delete “if.”
• Invert the subject and the auxiliary. (“we had” →
“had we”)
• Negative : Had Anna not voted, the dolphin would
have won.
12. Similar Uses
Only if/as long as/so long as/providing
(that)/provided (that)/on condition (that)/in
the event that/in the event of/in case/in case
of/supposing/even if/otherwise/or (else)/as
if/as though
13. Sample Questions
1. If my application for the scholarship .........., I
.......... my education in the States.
a) was accepted / can continue
b) has been accepted / have been continuing
c) had been accepted / could have continued
d) accepts / will have continued
e) will be accepted / will continue The answer is C
14. Sample Questions
2. I don't think that the meeting ....... so long as
there ........ enough members.
a) could be held / aren't
b) had held / could be
c) will be held / won't be
d) is holding / will be
e) has been held / were The answer is A
15. Sample Questions
3. You ............ in such trouble if you ............. to
my advice.
a) hadn't been / listened
b) aren't / will listen
c) wouldn't be / had listened
d) won't be / were listening
e) weren't / would have listened The answer is C
16. Sample Questions
4. You have to fill in those exercises ....... you
want to perform poorly in the exam
tomorrow.
a) if
b) in case
c) otherwise
d) unless
e) provided
The answer is D
17. Sample Questions
5. If the experiment ............ successful at the
first try, we ............. it again tomorrow.
a) must have been / won't have to perform
b) weren't / wouldn't have to perform
c) is / could have had to perform
d) should be / will have to perform
e) had been / wouldn't have to perform The answer is E