Zero Conditional
If you __________ (leave) metal in water for a long time, it __________ (eventually / start) to rust.
Answer: leave / eventually starts
If it __________ (rain) tomorrow, we __________ (stay) at home.
Answer: rains / will stay
If I __________ (have) more free time, I __________ (learn) another language.
Answer: had / would learn
If they had booked the tickets earlier, they __________ (get) better seats.
Answer: would have got
Vanilla comes from what flowers?
orchids
If you [have been working / will have been working] for several hours without a break, you usually [feel / will feel] exhausted.
Correct answers: have been working / feel
if she [is still studying / will still be studying] when you call her tonight, she'll probably ask you to call back later.
Correct answer: is still studying
If she [weren't working / hadn't been working] so much these days, she could spend more time with her family.
Correct answer: weren't working
If I __________ (know) about the problem, I would have helped you.
Answer: had known
Which country was the first to give women the right to vote, in 1893?
New Zealand
If you heat ice to 0°C, it [has started / starts] to melt.
Correct answer: starts
If you [have been working / will have been working] all day by the time I get home, I'll order some food for us.
Correct answer: have been working
If he [knew / had known] how to manage his finances, he might not be struggling with money now.
Correct answer: knew
If he [had prepared / had been preparing] more thoroughly for the interview, he would have got the job.
Correct answer: had prepared
What is the collective name for a group of crows?
murder
If you [have been exercising / will have been exercising] regularly, your stamina usually improves.
Correct answer: have been exercising
If you __________ (work) for this company for five years by next June, you'll be eligible for a promotion.
Correct answer: have been working
If I __________ (not / have) so many responsibilities at work, I __________ (be able to) travel more often.
Answer: didn't have / would be able to
If they [had been driving / had driven] more carefully, they wouldn't have had the accident.
Correct answer: had been driving
If people __________ (not / drink) enough water, they __________ (often / experience) headaches.
Answer: don't drink / often experience
If you submit the application today, the company __________ (review) it by the end of the week.
Correct answer: will have reviewed
If she __________ (be) more confident, she __________ ( / apply) for the position.
Answer: were / might apply
If I had known about the meeting, I [would have attended / would attend] it.
Correct answer: would have attended