1. Use your own ideas to complete the sentences.
1 What will you do if …your plane is delayed……?
2 If he …………………………. he’d have more friends.
3 If I hadn’t mended the TV, we …………………………. .
4 You wouldn’t have felt ill if you …………………………. .
5 She …………………………. if she didn’t gossip about her friends.
6 Will you forgive me if I ………………………….?
7 If I …………………………. what would happen?
8 She would have won the competition if she …………………………. .
9 They wouldn’t have minded if we …………………………. .
10 He …………………………. if he had listened to my advice.
Answer
Example answers:
2 wasn’t/weren’t so mean
3 couldn’t have watched the match
4 hadn’t been reading in the car
5 would be more popular
6 apologise
7 pressed this button
8 hadn’t been unlucky
9 ’d/had borrowed their bikes
10 would have made a lot of money
2. For each pair of sentences, complete sentence b so that it means the same as sentence a.
1 a You should go swimming regularly because that’s a good way to get fit.
b If you …go swimming regularly, you’ll get…… fit.
2 a Flying to Scotland is cheaper than going by rail. As a result, people go there by plane.
b If flying …weren’t (wasn’t) cheaper…… than going by rail, people …wouldn’t go…… there by plane.
3 a Cutting down rainforests has caused many plants and animals to disappear.
b Many plants and animals …wouldn’t have disappeared…… if people …hadn’t cut down…… rainforests.
4 a I can’t take a lot of exercise because I don’t have enough free time.
b If I ……………………………. more free time, I ……………………………. .
5 a Many students leave their bikes unlocked in the college yard. This makes life easy for thieves.
b If students ……………………………. in the college yard, life ……………………………. .
6 a Some people didn’t realise how dangerous smoking was when they were young. Now they are much older they have serious health problems.
b If people ……………………………. when they were young, they ……………………………. now they are much older.
7 a Petra made some bread, but it didn’t rise because she forgot to add yeast.
b The bread ……………………………. if Petra ……………………………. .
8 a It’s important to protect wildlife now. Otherwise there will be nothing left for future generations.
b If we ……………………………., there ……………………………. for future generations.
9 a Children don’t realise how much toys cost, so they don’t understand why they can’t always have new ones.
b If children ……………………………., they ……………………………. why they can’t always have new ones.
Answer
4 had … could take a lot of exercise
5 didn’t leave their bikes unlocked … wouldn’t be so easy for thieves
6 had realised how dangerous smoking was … wouldn’t have serious health problems
7 would have risen … hadn’t forgotten to add yeast / had added yeast
8 don’t protect wildlife now … won’t be any left
9 realised how much toys cost … ’d/would understand