Understanding Modal Verbs: Can vs. Be Able To

In this video, Jennifer from j4s English explains the difference between 'can' and 'be able to'. 'Can' is used for general abilities, while 'be able to' is for specific abilities. She highlights the grammatical differences, noting that 'can' is a modal verb limited to present and future tenses, whereas 'be able to' can be used in any tense. A practical example involving a lifeguard illustrates these points. The video concludes with a call to practice by leaving comments and subscribing.

What is the main topic of the video?

• The difference between 'can' and 'be able to'

• How to use past tense verbs

• The importance of English pronunciation

• Common English idioms

What is the main focus of the channel?

• Providing English vocabulary lists

• Teaching advanced English literature

• Helping you sound like a fluent, confident, natural English speaker

• Discussing English history

What should you do to get notified of new lessons?

• Delete the channel

• Ignore the channel

• Subscribe and hit the bell icon

• Unsubscribe from the channel

What does 'can' express in terms of ability?

• Specific ability

• General ability

• Future ability

• Past ability

Which of the following is an example of using 'can'?

• I can swim.

• I am able to swim today.

• I was able to swim yesterday.

• I will be able to swim tomorrow.

What is the negative form of 'can'?

• Will not

• Cannot

• Do not

• Shall not

What is the correct use of 'can' in a sentence?

• I can to swim.

• I can swim.

• I can swimming.

• I can swam.

What does 'be able to' express?

• Past ability

• Future ability

• Specific ability

• General ability

Which sentence correctly uses 'be able to'?

• I am able to swim today.

• I can swim yesterday.

• I can swim.

• I can swim tomorrow.

Which of the following is a specific reason for not being able to swim?

• I don't like swimming

• I can't swim

• Swimming is hard

• The pool is closed