Modals and Conditionals Worksheet
Part 1: Modals
Exercise 1: Fill in the blanks with the correct modal verb (can, could, may, might, must, should, would).
- She ______ speak three languages fluently.
- You ______ finish your project by Friday to meet the deadline.
- He ______ have left his umbrella at my house.
- They ______ join us for dinner if they finish work early.
- You ______ check the weather before going out.
- I ______ have gone to the party if I hadn’t been sick.
- It ______ rain later, so take an umbrella.
Exercise 2: Match the modals to their meanings.
A. Can
B. Should
C. Must
D. Might
E. Could
- _____ Suggests a recommendation
- _____ Indicates ability or possibility
- _____ Indicates strong obligation
- _____ Indicates a lower possibility
- _____ Past ability or polite request
Part 2: Conditional Sentences
Exercise 3: Complete the sentences using the correct form of the verb in parentheses. Use the appropriate conditional type.
- If I ______ (be) you, I would take the job. (Second Conditional)
- If it ______ (snow) tomorrow, we will go skiing. (First Conditional)
- If I ______ (know) the answer, I would have told you. (Third Conditional)
- If you ______ (not heat) water to 100 degrees, it won’t boil. (Zero Conditional)
- If she ______ (study) harder, she could pass the exam. (Second Conditional)
Exercise 4: Identify the type of conditional used in the following sentences.
- If he had studied more, he would have passed.
- Type: __________________
- If you mix red and blue, you get purple.
- Type: __________________
- If she goes to the party, she will have fun.
- Type: __________________
- If I were a bird, I would fly high.
- Type: __________________
- If they had known about the event, they would have attended.
- Type: __________________
Part 3: Mixed Modals and Conditionals
Exercise 5: Rewrite the following sentences to use the indicated modal or conditional.
- It’s likely that she will arrive late. (Use "might")
- Rewritten: __________________________________
- If I had seen the movie, I could tell you about it. (Use correct tense)
- Rewritten: __________________________________
- He is probably at work now. (Use "must")
- Rewritten: __________________________________
- If you had asked me, I would have helped you. (Use "could")
- Rewritten: __________________________________
- We might go out for dinner tonight. (Use "may")
- Rewritten: __________________________________
Part 4: Choose the Correct Option
Exercise 6: Choose the correct modal or conditional option to complete each sentence.
- You ______ (can/may) use my phone to call your friend.
- If I ______ (was/were) the president, I would change the laws.
- She ______ (might/can) join us if she finishes her homework.
- If it doesn’t rain, we ______ (will/would) have a picnic.
- I ______ (could/must) have left my wallet in the car.
Part 5: Real-Life Application
Exercise 7: Write your own sentences using the modals and conditionals below.
- Can
- Might
- Should
- If I had known
- If it rains
Answer Key
Exercise 1:
- can
- must
- could
- might
- should
- could
- might
Exercise 2:
- B (Should)
- A (Can)
- C (Must)
- D (Might)
- E (Could)
Exercise 3:
- were
- snows
- had known
- do not heat
- studies
Exercise 4:
- Third Conditional
- Zero Conditional
- First Conditional
- Second Conditional
- Third Conditional
Exercise 5:
- She might arrive late.
- If I had seen the movie, I could tell you about it.
- He must be at work now.
- If you had asked me, I could have helped you.
- We may go out for dinner tonight.
Exercise 6:
- may
- were
- might
- will
- could
Exercise 7: (Answers will vary based on your response! Contact us to review)