1  Which tense is correct?
Tom walked / was walking home when someone called / was calling out his name.

6 Which tense - Past simple or Past continuous?
When he (arrived) at the party, everyone (was talking) and (laughing).

11 Is this sentence right or wrong? (If it's wrong, correct it.)
Tom was exhausted because he'd been working too hard. Correct
 
2 Which tense is correct?
When John phoned / was phoning, I wrote I was writing an essay. I finished / was finishing it at midnight.

7 Which tense is correct?
Sam's friends had already gone / had already been going by the time he got / was getting there.

12 Is this sentence right or wrong? (If it's wrong, correct it.)
By the time the emergency food supplies arrived, thirty people had been dying. had died.
 
3 Is this sentence right or wrong? (If it's wrong, correct it.)
When she was getting she got home, her husband was watching football on television.

8 Which tense is correct?
As soon as Cath shut the car door, she realised / was realising she had left / had been leaving the keys inside.   

13 Is this sentence right or wrong? (If it's wrong, correct it.)
Before the accident, he'd never been thinking thought  anything like this would happen to him.
 
4 Is this sentence right or wrong? (If it's wrong, correct it.)
As soon as she was seeing  saw  the time, she was jumping  jumped  out of bed.

9 Which tense is correct?
They waited / were waiting until everybody had left / had been leaving the bank, then broke in / were breaking in through the window.

14 What's the difference between these two sentences?
a He'd been trying to phone her before she left the country. (Repeated: he tried more than once)
b He'd tried to phone her before she left the country. (He tried to phone her once)
 
5 Which tense - Past simple or Past continuous?
While we (were waiting) for the guests to arrive, Sally (rang) to say she couldn't come.

10 Which tense - Past perfect simple or Past perfect continuous?
When the helicopter finally found us we had been sitting in the lifeboat for hours and had eaten all our food.

15 Which tense is correct?
He is working / has been working there since he left / was leaving university.

16 Which tense is correct?
He is playing / has been playing tennis since he started / was starting school.

21 Is this sentence right or wrong? (If it's wrong, correct it.)
I've been knowing   known  him for a few months, but I've only been meeting met    his sister once.

26 What's the difference between these two sentences?
a He's very rude. (He's always rude)
b He's being very rude. (He's rude at the moment but maybe not always)

17 Which tense - Present perfect simple or continuous?
Oh no! The train has stopped again! I have been sitting on this train for hours, and I have already missed my first meeting.

22 Which tense is correct?
Normally I get up / am getting up at eight, but this week I get up / am getting up at seven because I have to start  work early.

27 Which tense is correct?
This time next week I'll lie / 'II be lying on a beach
in Spain.

18 Which tense - Present perfect simple or continuous?
You're covered in blood and you have torn your jacket! You have been fighting again, haven't you?

23 Which tense - Present simple or continuous?
Peter is playing football at the moment. He wants  to be a footballer when he grows up.

28 Which tense is correct?
Don't come round at eight. I'll put / 'II be putting the children in bed then.

19 Is this sentence right or wrong? (If it's wrong, correct it.)
Careful where you walk. Susie's been breaking  broken   a vase, and Johnny's already cut himself.

24 Is this sentence right or wrong? (If it's wrong, correct it.)
I'm loving  love   hamburgers! I eat five every day, and I eat  am eating one  at the moment!

29 Is this sentence right or wrong? (If it's wrong, correct it.)
When I arrive at the station, my parents will wait   be waiting   for me.

20 Is this sentence right or wrong? (If it's wrong, correct it.)
They've been living next door for years, but we've never spoken to them. Correct

25 What's the difference between these two sentences?
a What do you think?   (This is asking for your opinion about something)
b What are you thinking? (This is asking what thoughts are in your mind now)

30 What's the difference between these two sentences?

a I'll be cooking dinner when you get home. (I will have already started cookeing– the dinner will be already half-cooked)
b I'll cook dinner when you get home. (I will start cooking when you arrive)