Find the errors
Examples
Examples 2
Can / be able
100

I can go to the doctor?

Can I go to the doctor?

100

Jennifer _____________________ (ability) finish her homework in less than 15 minutes.

can or is able to

100

Roger forgot to buy a gift for his wife's birthday. Now he __________ run!

has to

100

I _______ play the guitar.

can / am able to

200

She should to tell me when she doesn't come to class.

She should tell me when she doesn't come to class.

200

He _________________ (possibility) move to Miami next year.

may, might, could

200

Fortunately, I ___________ work at the weekend.

don't have to

200

When he was a child, he _________ climb trees.

could / was able to

300

I should fasten my seat belt when I drive.

have to

300

You _____________________ (advice) close your car windows. There is a heavy rainstorm coming.

should / ought to

300

He is very dirty. He ________ go to meeting like this.

should't / mustn't / can't

300

Tomorrow, I __________ help you. Now I can't!

will be able / may be able / might be able

400

I can copy another student in my exams.

can't

400

Jim ________________ (almost 100% certain) work a lot. He is always very tired.

must, has to, or has got to

400

His hair is wet. He __________ have been out in the rain.

must

400

John ______________ solve this problem. He has been working for weeks. 

hasn't been able

500

Tomorrow, I can be late  to school because I am going to doctor.

may / might / could

500

Sandra ______________________ be planning to get married soon because she has not started looking for her dress yet.

mustn't / can't

500
He looks worried. He ________ have studied more before the exam, but he didn't.

should

500

___________ you help me tonight? I really need it!

Will you be able to

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