Show:
Advice & Regret
Permission & Need
Ability
Present & Future Probability
Past Probability
100
Which is weakest: should, had better, or could?
Could
100
Which is weakest: be required to, have to, or can?
can
100
We ____ you tomorrow at 7:00. (can, meet)
CAN MEET
100
Correct the error: He must be not going to the party. I saw him ride the train heading downtown.
must NOT be going
100
Which is strongest: couldn't have, might have, may not have, or could have?
couldn't have
200
Which is strongest: ought to, could, had better, or should?
had better
200
Which is strongest: may, be allowed to, be supposed to, or have to?
have to
200
Correct the error: John was able to played soccer all weekend.
John was able to PLAY soccer all weekend.
200
If we keep working, we might be able to finish by 9:00. Is the speaker certain, a little certain, or uncertain?
Uncertain
200
Tina didn't come to class, but she couldn't have been sick. Is the speaker certain, a little certain, or uncertain?
Certain
300
Correct the error: Steve ought to gone to class yesterday, but he was sick.
Steve ought to HAVE gone to class yesterday, but he was sick.
300
Correct the error: Tim allowed to go home because he was sick.
Tim WAS allowed to go home
300
I ______ you study tomorrow. (help, be able to)
WILL BE ABLE TO
300
This looks like real gold. It should be valuable. Is the speaker certain, a little certain, or uncertain?
A little certain
300
Correct the error: Joel's uniform is dirty. He must played baseball yesterday.
He must HAVE played baseball yesterday.
400
Correct the error: I should passed the test, but I was too tired to think!
I should HAVE passed
400
Correct the error: I must not have to go to the store, but Rachel wanted to go so I went with her.
I DIDN'T have to go...
400
Benny ______________ to Georgia last night. (drive, be able to, not)
Benny WASN'T ABLE TO DRIVE to Georgia last night.
400
Correct the error: It must be easier to take videos on your phone in the future.
must --> will or may
400
Correct the error: Sally might have walking because it was so nice out yesterday.
might have BEEN walking
500
Rich was sick but had to walk in the rain. He ____ (had better, have) his rain boots!
He HAD BETTER HAVE HAD his rain boots!
500
You _______ to the old factory to play. It's dangerous. (go, must, never)
You MUST NEVER GO to the old factory to play.
500
Jim ______ the new "Avengers" movie yet. It won't be out for three more months! (see, could, not)
COULDN'T HAVE SEEN
500
I'm not sure what he's doing with that lighter. He _____ to start a fire. (may, be, try)
MAY BE TRYING
500
Jenny ______ at work yesterday. Her car was in her driveway all day. (be, must, not)
Jenny MUST NOT HAVE BEEN at work yesterday.