Modal Verb for ability and possibility

She is warming-up like a pro. I think she ____ swim very well.

• should

• might

• can

• would

My mom was at the grocery store nearby, but I ____ arrive at home before her.

• could

• could have

• managed to

• was able to

If he trains and improves every single day, he ___ play for the national team one day.

• could

• can

• could

• will be able to

I ____ run a marathon next year if I train hard.

• might be able to

• might.

• am able to

• won't be able to

Create a conditional sentence using 'if' and 'could': 'If I (to have) more time, I (to travel) more.'

• If I had more time, I travel more.

• If I have more time, I will travel more.

• If I had more time, I would travel more.

• If I have more time, I could travel more.

Can 'could' replace 'was able to' in the sentence below?

Julia was able to convince Mr. Edgar to sign the contract.

• Yes

• No

Tôi đoán là anh ấy có thể đã gây tai nạn.

• He could have caused the accident, I think.

• He could have caused the accident, I guess.

• I think he could cause the accident.

• I guess he could cause the accident.

My father ____ seen us! He was supposed to be at work!

• could have

• can't have

• can't have been able to

• might not have

Is the following sentence correct or wrong?

"After the treatment, she should be able to walk again soon."

• Correct

• Wrong

Tìm lỗi sai và sửa lại câu:

Cole could accelerate and won the race.