Correct: You mustn’t have read the whole book during the night! It’s huge!
mustn't -> can't
Oops!
Check
Okay!
Check
boom
Lose 50 points!
Oops!
fairy
Take points!
5
10
15
20
25
gift
Win 25 points!
Okay!
banana
Go to last place!
Oops!
thief
Give points!
5
10
15
20
25
shark
Other team loses 20 points!
Okay!
fairy
Take points!
5
10
15
20
25
banana
Go to last place!
Oops!
15
Correct: It mustn’t be true, it can be a lie.
It can't be true, it must be a lie.
Oops!
Check
Okay!
Check
25
A. You should listen to what he says. B. You ought to listen to what he says. C. You have to listen to what he says.
A and B have similar meaning, it’s a good idea, basically I’m giving advice. You may choose to follow it or not. C means that it’s your obligation
Oops!
Check
Okay!
Check
15
Correct: I can't swim when I was a child, but I can't now.
I couldn't swim when I was a child, but I can't now.
Oops!
Check
Okay!
Check
25
A. I must work hard. B. I have to work hard. C. I may work hard.
A and B talk about obligation. C may talks about possibility.
Oops!
Check
Okay!
Check
15
Correct: This guy mustn’t be a thief, I’m sure he's not guilty!
mustn't -> can't
Oops!
Check
Okay!
Check
20
You may be the most intelligent boy in the class, but I will beat you in the test! Q: What is the meaning of 'may'?
It is a concession. You are saying you understand he's the most intelligent, but don't like that fact.
Oops!
Check
Okay!
Check
15
Hai can have done his homework - but I think it's unlikely.
can -> could/ may/ might
Oops!
Check
Okay!
Check
15
A: We could have a problem. B: My grandfather could speak two languages.
A: Hypothesising (i.e. it's possible in this situation). B: Past ability
Oops!
Check
Okay!
Check
25
A. You don’t have to wake up so early. B. You shouldn’t wake up so early. C. You needn’t wake up so early.
A and C have similar meaning, it’s not necessary to do it, but you can if you want to. B means that it’s a bad idea to wake up early
Oops!
Check
Okay!
Check
baam
Lose 25 points!
Oops!
shark
Other team loses 15 points!
Okay!
rocket
Go to first place!
Okay!
baam
Lose 10 points!
Oops!
15
Correct: I couldn’t have talked during the lessons. Now I don’t understand anything and will fail the test.
Couldn't -> Shouldn't
Oops!
Check
Okay!
Check
20
A. We couldn’t go to Paris last year. B. We didn’t have to go to Paris last year.
A talks about lack of ability in the past, even if we wanted to, we weren’t able to do it. B talks about lack of obligation, it wasn’t necessary for us to go.
Oops!
Check
Okay!
Check
15
A. We could watch a movie. B. Shall we watch a movie?
