Linguaskill Grammar: Conditionals and Modal Verbs 1 — Questions and Answers
Question 1: If the weather _____ nice tomorrow, we will go to the beach.
- is (Correct answer)
- will be
- was
- would be
Correct answer: is
The first conditional uses present simple in the if-clause and 'will + infinitive' in the main clause to describe real, possible future situations.
Question 2: If she _____ the answer, she would tell you.
- knows
- knew (Correct answer)
- had known
- will know
Correct answer: knew
The second conditional uses past simple in the if-clause to describe hypothetical or unlikely present/future situations.
Question 3: If he _____ his keys, he wouldn't have been locked out.
- doesn't lose
- didn't lose
- hadn't lost (Correct answer)
- wouldn't lose
Correct answer: hadn't lost
The third conditional uses past perfect in the if-clause to describe a hypothetical situation in the past that did not happen.
Question 4: If you heat ice, it _____.
- melts (Correct answer)
- would melt
- melted
- will melt
Correct answer: melts
The zero conditional uses present simple in both clauses to express general truths and scientific facts that are always true.
Question 5: All employees _____ wear a safety helmet on the construction site.
- should
- might
- could
- must (Correct answer)
Correct answer: must
'Must' expresses a strong obligation or rule imposed by an authority, making it the correct choice for a workplace safety requirement.
Question 6: I'm not sure where John is — he _____ be in the library.
- must
- will
- might (Correct answer)
- should
Correct answer: might
'Might' expresses uncertainty or weak possibility, which matches the speaker's admission that they are not sure.
Question 7: You look tired. You _____ get more sleep.
- must
- would
- could
- should (Correct answer)
Correct answer: should
'Should' is used to give advice or make recommendations, making it the most appropriate modal here.
If the weather _____ nice tomorrow, we will go to the beach.