The police had enough evidence to __________ the thief after they found the stolen items.
arrest
If water (reach) 100°C, it (boil).
If water reaches 100°C, it boils. → (Zero conditional – fact)
He ___ gone to Russia. He doesn’t have a passport.
can’t have
Sally can buy that car ____ she gets the money she lent to Tom.
a. only if b. what if c. even if d. unless
a
1. She is the sister of the boy ____ is sitting next to us.
a. which b. who c. where
2. This is the hotel ____ we spent our holiday.
a. that b. who c. where
b
c
The suspect was found guilty and sent to prison as a __________.
We made a large __________ to the local animal shelter to help them buy food.
fortune
convict
If I (have) enough time tomorrow, I (go) to the gym.
If I have enough time tomorrow, I will go to the gym. → (First conditional – real future)
Tom and Jack are so selfish - they ____ been there for you!
You _____ seen her. She was standing next to you.
could have
must have
1. ___ you are a member, you can’t borrow books from the library.
a. Only if b. As long as c. Unless d. Suppose
2. Sam can take my dictionary ____ he uses it carefully.
a. as long as b. unless c. in case d. even if
1. c 2. a
1. Here is the room ____ I study.
a. which b. who c. where
2. He is the man _____ is married to a doctor.
a. which b. who c. where
3. This is the city ____ I was born.
a. which b. who c. where
c
b
c
We made a large __________ to the local animal shelter to help them buy food.
After buying a new laptop, I kept the receipt as proof of my __________.
donation
purchase
If I (be) you, I (take) that job offer.
If I were you, I would take that job offer. → (Second conditional – unreal present)
I explained it to her but she _____ misunderstood - my Japanese isn’t very good.
We’ll ask at the reception desk. Someone _____ handed the keys in.
I don’t know why there weren’t any buses yesterday. There _____ been a strike, but I’m really not sure.
might have
could have
might have
The child can come in ____ she doesn’t touch anything.
a. in case b. unless c. even if d. as long as
Ted can borrow my laptop ____ he returns it on Sunday.
a. even if b. unless c. if only d. on condition that
d
d
1. I liked the house ____ had a garage.
a. which b. who c. where
2. The computer _____ I bought yesterday is great.
a. which b. who c. where
3. I know a friend ___ is from China.
a. which b. who c. where
a
a
b
He couldn’t attend the meeting because his train ticket was __________ and he had to buy a new one.
The charity event needed at least ten people to __________ and help serve food.
invalid
volunteer
If they (leave) earlier, they (catch) the last train.
If they had left earlier, they would have caught the last train. → (Third conditional – unreal past)
1. A: James was at the party last night.
B: He ____ been. He’s in Mexico.
2. I _____ let you know what was happening but I forgot.
can’t have
should have
You cannot leave school ____ you get permission from the teacher.
a. providing b. unless c. only if d. supposing that
Take a hat ____ it is sunny.
a. what if b. in case c. unless d. if only
b
b
1. The place _____ you live is very beautiful.
a. which b. who c. where
2. My friend ____ is a teacher lives in Ankara.
a. which b. who c. where
3. We use ____ for both a person and a thing/idea.
c
b
that
After her uncle’s __________, the whole family gathered to share memories and support each other.
Many families keep chickens or ducks as __________ for fresh eggs and meat.
funeral
poultry
If I (study) harder at school, I (have) better marks.
If I had studied harder at school, I would have had better marks.
There was so much traffic. There ___ been an accident.
I saw his car in front of the building. He ____ been here.
You _____ called them yesterday. Now, it’s too late.
must have
must have
should have
1. _____ I get more experience, I can probably find a better job.
a. Providing that b. Whether c. Unless d. Even if
2. I will never forget that day ___ I live in this city.
a. even if b. in case c. as long as d. whether
3. I will take this job they pay me enough.
a. on condition that b. if only c. unless d. even if
a
c
a
• We use to refer to a thing or an idea, and to ask about choices.
• We use when referring to people or when we want to know the person.
• We use to refer to places and locations.
• We use to refer to a certain time related to action.
which
who
where
when