Past or Present
Correct or Incorrect
Could or Can
Comparative / Superlative
Reorder
100

My wife can't quit smoking.

Present

100
In the past, he couldn't worked.

Incorrect

In the past, he couldn't work. 

100
Roger ____ come to the cinema with us because he needs to study.
can't
100

Summer is (hottest or hotter) than winter.

Summer is hotter than winter.
100
drink / I / can / water / ?
Can I drink water?
200

The old man couldn't breathe. 

past

200

She can play tennis.

Correct

200
He ________ go to work because he was sick.
couldn't
200

Meat is (most expensive or more expensive) than rice.

Meat is more expensive than rice. 

200
close / could / the / you / window / ? / please
Could you please close the window?
300

My neighbor could play the guitar. 

Past

300

In the past James can dance.

Incorrect

In the past James could dance.

300
Jane ________ come by car, she loves driving.
can
300

Today is (hotter or hottest) day of the year.

Today is the hottest day of the year.

300
Friday / come / she / on / can't / .
She can't come on Friday.
400

I can read books in English. 

Present.

400

The teacher can speaks English.

Incorrect

The teacher can speak English. 

400
Mike ________ leave work at 3:00 p.m. before. Now he can't.
could
400

The (easier or easiest) place to park is next to the library.

The easiest place to park is next to the library. 

400
couldn't / holiday / come / they / on / us / with / .
They couldn't come on holiday with us.
500

Last night the homework was hard. I ____ finish it. 

Past 

Couldn't

500

Nicole worked at a computer store. She could fix computers. 

Incorrect

Nicole worked at a computer store. She can fix computers. 

500
Martha ____ leave. Her mom was there.
couldn't
500

Houses (are usually, or usually) larger than apartments.

Houses are usually larger than apartments. 

500
you / right / can't / to / I / talk / now / .
I can't talk to you right now.
M
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