Ability
Now, we ____ (+) speak English well.
Now, we CAN speak English well.
You ____ eat a balanced diet.
You SHOULD eat a balanced diet.
You ____ get a visa to travel to the USA.
You MUST get a visa to travel to the USA.
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.
T/F: A modal verb is a type of auxiliary verb used to show modality that is likelihood, ability, permission, obligation, etc...
TRUE
I think I ____ help you learn math if you study hard.
I think I CAN help you learn math if you study hard.
You ____ eat junk food. It's bad for you.
You SHOULDN'T eat junk food. It's bad for you.
You _____ cheat on exams.
You MUSTN'T cheat on exams.
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.
Which modal verb is used for advice?
SHOULD
Five years ago, I ____ (-) play the piano.
Five years ago, I COULDN'T play the piano.
Correct or incorrect: You shouldn't eat spicy food if it hurts your stomach.
Correct
You mustn't cross the road when the red light is showing.
Correct
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.
Is could or can more polite when asking questions?
COULD
I ____ (+) run very fast when I was six years old.
I COULD run very fast when I was six years old.
Correct or incorrect: Kids couldn't write on the wall.
Incorrect: Kids SHOULDN'T write on the wall.
Sorry, I ____ go now or I will be late.
Must
You ____ use your mobile phone in this place.
a. can't
b. couldn't
c. couldn't
d. don't have to
Which modal verb is used for prohibition, obligation and probability?
MUST
"____ you help me with this math problem?"
"Yes, I ____."
"COULD you help me with this math problem?"
"Yes, I CAN."
"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."
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.
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.
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