made by 4/1 student

2. Conditional Sentences are also
known as Conditional Clauses or
If Clauses. Conditional
sentences are used to speculate
about what could happen, what
might have happened, and what
we wish would happen.
.
What is the conditional sentence?

3. If clause Type zero ; Present Real
Use when
• It is the TRUTH or The Command Sentence.
• ‘ when/whenever ’ can be used instead of ‘ if ’ and the meaning of
the sentences still the same.
Example If (When) plants don’t get enough water, they die.
If (When) you see my ex-boyfriend tonight, give him this
card.
Present Simple/Present Simple
If S.+V1 , S + V1

4. If clause Type one ; Possible
Use when
• It has the chance or opportunity to happen in the future
• Can replace will with another helping verb such as may,
might, must, ought to, should, can, needn’t
Example If I know the answer, I will tell you.
If you don’t study hard, you will get an F.
Present Simple/Future Simple
If S.+V1 , S + will + V. inf

5. If clause Type one ; Possible
• may for the possible result but will/shall is for certain
result
Ex. If he starts now , he may be in time. (possible result)
If he starts now , he will be in time. (certain result)
• must , ought to , should
Ex. If you go out tonight , you must put a coat on.
• may , can for making a permission
Ex. If you are in a hurry , you can/may take my car.

6. If clause Type one ; Possible
• needn’t
Ex. If you go out tonight , you needn’t wear a coat.
• Can (ability) we can use will be able to
Ex. If you study hard, you’ll be able to speak English very well
soon.
• if + will for introduction or the polite request
Ex. If you’ll excuse my asking , how old are you?
If you’ll forgive my saying so, you are getting fat.
If he will cook dinner , I’ll wash the dishes.

7. If clause Type two ; Present Unreal
Use when
• It has no the chance or opportunity to happen in the present time
Example If I *were you, I would love her so much.
If I had a private jet, I would go to Switzerland.
Present Simple/would + Vinf
If S.+V2 , S + would+ V. inf

8. If clause Type three ; Past Unreal
Use when
• impossible condition in the past and its can not be edited in the past.
Example If I had showered last night, I wouldn’t have got a rash.
If you had studied harder, you would have passed your
exam.
Past perfect/would + have + V3
If S.+ had+ V3 , S + would+ have + V.3

9. If clause Type Mixed;
Use when
• mention about the past but the main part mention to the present
time.
Example We wouldn't be lost if we had looked at the map.
If I had worked harder at school, I would have a better job
now.
past perfect/ would + V.inf
If S.+ had+ V3 , S + would+ V.inf

10. If clause Type Mixed;
Use when
• one part is present and another part is occur in the past
Example I would have picked it up if I wasn't afraid of spiders.
If I wasn't in the middle of another meeting, I would have
been happy to help you.
.
present simple/ would + have + V.3
If S.+ had+ V3 , S + would+ have+ V3

11. Replacing If
• Unless = if…not
Ex. You’ll never understand the lesson unless you pay attention.
= You’ll never understand the lesson if you don’t pay attention.
• Provided (that), On condition (that), So long as, As long as, In case
Ex. You can play in this room as long as you don’t make a mess.
There is a key in the garage incase I forget it.
• Suppose, Supposing, What if….
Ex. Suppose you got a scholarship, what country would you go?
What if you win the lottery? Will you buy a gift for me?
Replacing If

12. If Ellipsis
• Making conditions or threat ( use in the conversation)
Ex. You touch her again I’ll kick your ass.
• Inversion structure
• Type one
Ex. If you should have any inquiries, I will be happy to assist
you.
Should you have any inquiries, I will be happy to assist
you.

13. If Ellipsis
• Inversion structure
• Type two { If S. + were + complement} were + S. + Complement
{ If + S + V.2 } were + S. + to V.inf
Ex. If I know you ,I would be happy Were I to know you, I would be
happy
I were the P.M., I would cancel a series of Friday night speeches.
Were I the P.M. , I would cancel a series of Friday night speeches
• Type three {If S + had + V.3} had S + V3
Ex. If the teamed had worked together., they would have achieved the
goal.
Had the team worked together., they would have achieved the goal.

14. • If + will/would : for a request
Ex. If you would turn off the television, I would be very grateful.
• It would be fine/nice if +V2
Ex. It would be nice if you paid the debts.
• If it wasn’t for/ hadn’t been for…: without…
Ex. If it wasn’t your help, I would be injured.
= Without your help, I would be injured.
• If… would like/care + to inf : invited
Ex. If you would like to have dinner, I will pick you up
If for any opportunity

15. • If… should/happen to… : coincidence situation
Ex. If you happen to pass 7-11, can you get me some snacks?
• Even if / Whether… or not
Ex. You have to hand your work on time whether you are finished
with it or not
• Only if : must be followed by inversion sentence
Ex. Only if you study hard can you be successful.
=You can be successful only if you study hard.
If for any opportunity

16. 1. If she ___ (Be) able to speak English, wouldn't she have a
job by now?
2. If we ______ (clean) up the room, there would be a space
for 20 students.
3. Tik wouldn't have been a victim if she ___________ ( not
enter) her information on a website.
4. If he ______ (save) his work, he wouldn't have lost his
work.
5. If you _____ (freeze) water, it becomes a solid.
LET DO SOME PRACTICE
were
cleaned
hadn’t entered
had saved
freeze