Third Conditional I
First Conditional
Third Conditional II
Conditionals/Time Clauses
Conditionals/Time Clauses II
100

Complete the sentence using the Third Conditional.

My cat didn´t look sick, so I didn´t take him to the vet. I would have...


I would have taken my cat to the vet if he had looked sick.

100

Complete the sentence with the correct verb in brackets. Use the first conditional. 

If the farmer . . . that fruit too early, it . . . sweet. (pick, not taste)

If the farmer PICKS that fruit too early, it WON´T TASTE sweet.

100

Complete the sentences with the verbs in brackets. Use the Third Conditional.

I . . . (watch) the documentary if I . . . (not fall) asleep.

I WOULD HAVE WATCHED the documentary if I HADN´T FALLEN asleep.

100

Read the first sentence in each pair. Then come up with the continuation using the words given. Use conditionals or time clauses.

You should give your dog some water.

dogs / get / thirsty / if / it / be / hot

Dogs get thirsty if it is hot.

100

Write a question with the words below. Use the Zero Conditional.

What / happen / to snow / if / the weather / get warm 


What happens to snow if the weather gets warm?

200

Complete the sentence using the Third Conditional.

Humans polluted the ocean, so the fish ate plastic. If humans...

If humans hadn’t polluted the ocean, the fish wouldn’t have eaten plastic.

200

Complete the sentence with the correct verb in brackets. Use the first conditional. 

You . . . the sunrise unless you . . . at dawn. (get up, not see)

You WON´T SEE the sunrise unless you GET UP at dawn. 

200

Complete the sentences with the verbs in brackets. Use the Third Conditional.

The mother bear . . . (attack) us if we . . . (go) near her young.

The mother bear WOULD HAVE ATTACKED us if we HAD GONE near her young.

200

Read the first sentence in each pair. Then come up with the continuation using the words given. Use conditionals or time clauses.

The children are very bored.

I / take / them / to the park / if / it / not be / freezing cold

I will take them to the park if it isn’t freezing cold.

200

Write a question with the words below. Use the First Conditional.

If / we / cut down / too many trees, / how / the atmosphere / change 

If we cut down too many trees, how will the atmosphere change?

300

Complete the sentence using the Third Conditional.

Janet didn´t go home after school, so she didn´t walk the dog. Janet would...

Janet would have walked the dog if she had gone home after school.

300

Complete the sentence with the correct verb in brackets. Use the first conditional.

My grandfather . . . soon if he . . . in the shade. (not rest, get tired)

My grandfather WILL GET TIRED soon if he DOESN´T REST. 

300

Complete the sentences with the verbs in brackets. Use the Third Conditional.

1. If you . . . (come) kayaking with us, you . . . (see) lots of dolphins. 

2. The panther . . . (have) a good meal if it . . . (catch) the rabbit. 

1. If you HAD COME kayaking with us, you WOULD HAVE SEEN lots of dolphins.

2. The panther WOULD HAVE HAD a good meal if it HAD CAUGHT the rabbit. 


300

Read the first sentence in each pair. Then come up with the continuation using the words given. Use conditionals or time clauses.

School was cancelled because of the snow. 

we / have / a test / if / it / not snow

We would have had a test if it hadn’t snowed.

300

Write a question with the words below. Use the Zero Conditional. 

What / a river / become / if / it / flow / over a cliff

What does a river become if it flows over a cliff?

400

Complete the sentence using the Third Conditional.

The birds flew away because you made a loud noise. If you...

If you hadn’t made a loud noise, the birds wouldn’t have flown away.

400

Complete the sentence with the correct verb in brackets. Use the first conditional.

You . . . the peak of the mountain if you. . . for about three hours. (reach, climb)

You WILL REACH the peak of the mountain if you CLIMB for about three hours. 

400

Complete the sentences with the verbs in brackets. Use the Third Conditional.

1. If people . . . (not hunt) the Pyrenean ibex, it . . . (not become) extinct.

2. The bird . . . (give) a warning call if it . . . (hear) the cat. 

1. If people HADN´T HUNTED the Pyrenean ibex, it WOULDN´T HAVE BECOME extinct.

2. The bird WOULD HAVE GIVEN a warning call if it HAD HEARD the cat.

400

Read the first sentence in each pair. Then come up with the continuation using the words given. Use conditionals or time clauses.

It´s chilly, so we might eat inside.

we / not eat / outside / unless / it / warm up

We won’t eat outside unless it warms up.

400

Write a question with the words below. Use the First Conditional.

How / coral reefs / react / we / not stop / polluting the oceans  

How will coral reefs react if we don’t stop polluting the oceans?

500

Complete the sentence using the Third Conditional.

1. I didn´t train my dog, so its behaviour didn´t improve. My dog´s behaviour...

2. The panda didn´t find a mate, so it didn´t have cubs. If the panda...

1. My dog´s behaviour would have improved if I had trained it.

2. If the panda had found a mate, it would have had cubs.

500

Complete the sentence with the correct verb in brackets. Use the first conditional.

We . . . unless the lake . . . . (freeze, not go skating)

5. won’t go skating, freezes 

We WON´T GO skating unless the lake FREEZES.

500

Complete the sentences with the verbs in brackets. Use the Third Conditional.

1. If Grandpa . . . (not love) animals, he . . . (not become) a vet.

2. If the frog . . . (not kick) the wasp, it . . . (steal) his eggs. 

1. If Grandpa HADN´T LOVED animals, he WOULDN´T HAVE BECOME a vet.

2. If the frog HADN´T KICKED the wasp, it WOULD HAVE STOLEN his eggs.

500

Read the first sentence in each pair. Then come up with the continuation using the words given. Use conditionals or time clauses.

1. Soon it will be light outside in the evenings. 

when / summer / come, / the sun / set / later

2. What luck that it stopped raining!

if / it / not clear up, / we / not go / to the beach 

1. When summer comes, the sun sets / will set later. 

2. If it hadn’t cleared up, we wouldn’t have gone to the beach.

500

Write a question with the words below. Use time clauses.

1. After / a bee / drink / nectar, what / it / make

2. What / wind / create / when / it / move / across the ocean

1. After a bee drinks nectar, what does it make? 

2. What does wind create when it moves across the ocean?

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