Ability
Advice
Obligation/Prohibition
All
Other
100

Now, we ____ (+) speak English well.

Now, we CAN speak English well.

100

You ____ eat a balanced diet.

You SHOULD eat a balanced diet.

100

You ____ get a visa to travel to the USA.

You MUST get a visa to travel to the USA.

100

You ____  take pictures in the museum.
a. shouldn't
b. couldn't
c. mustn't
d. don't have to)

c) You MUSTN'T take pictures in the museum.

100

T/F: A modal verb is a type of auxiliary verb used to show modality that is likelihood, ability, permission, obligation, etc...

TRUE

200

I think I ____  help you learn math if you study hard.

I think I CAN help you learn math if you study hard.

200

You ____ eat junk food. It's bad for you.

You SHOULDN'T eat junk food. It's bad for you.

200

You _____ cheat on exams.

You MUSTN'T cheat on exams.

200

You ____ chat with strangers.
a. don't have to
b. shouldn't
c. mustn't
d. couldn't

b. You SHOULDN'T chat with strangers.

200

Which modal verb is used for advice?

SHOULD

300

Five years ago, I ____ (-) play the piano. 

Five years ago, I COULDN'T play the piano.

300

Correct or incorrect: You shouldn't eat spicy food if it hurts your stomach.

Correct

300

Correct or incorrect: It can't be Lydia's car, she is out of town.

Correct

300

I _____lend you my notebook, if you'd like.
a. should
b. have to
c. must
d. could

d) I COULD lend you my notebook, if you'd like.

300

Is could or can more polite when asking questions?

COULD

400

I ____ (+) run very fast when I was six years old.

I COULD run very fast when I was six years old.

400

Correct or incorrect: Kids couldn't write on the wall.

Incorrect: Kids SHOULDN'T write on the wall.

400

Correct or incorrect: It must be after 8pm, it is very dark outside.

Correct

400

You ____ use your mobile phone in this place.
a. can't
b. couldn't
c. couldn't
d. don't have to

a) You CAN'T use your mobile phone in this place.
400

Which modal verb is used for prohibition, obligation and probability?

MUST

500

"____ you help me with this math problem?"
"Yes, I ____."

"COULD you help me with this math problem?"
"Yes, I CAN."

500

"Do you think I _____ be a teacher or a veterinarian?"
"I think you ____ be a vet, you don't like people much."

"Do you think I SHOULD be a teacher or a veterinarian?"
"I think you SHOULD be a vet, you don't like people much."

500

He _____ park in the grass. It's not allowed.
Hint: 2 options

He MUSTN'T/CAN'T park in the grass. It's not allowed.

500

You don't have to shout. I ____ hear you very well.
a. could
b. should
c. can
d. can't

c) You don't have to shout. I CAN hear you very well.

500

When do we use the modal verb could? When do we use the modal verb can?

Could - past ability and permission
Can - present ability and permission
Both - probability

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