Using Modal Verbs in Sentences

This video lesson, led by Stewart, explores the use of 'can', 'could', and 'be able to' in English to express ability. It begins with an introduction to these modals, followed by a detailed explanation of how 'can' is used for present ability and typical situations. The lesson then addresses the limitations of 'can' and introduces 'be able to' as a substitute for various tenses and modal combinations. The use of 'could' for past ability is discussed, including its application with specific verbs. Finally, the lesson covers the use of 'couldn't' in negative situations, highlighting its flexibility compared to 'was/were able to' or 'managed to'.

What is the main focus of the lesson introduced by Stewart?

• Understanding 'can', 'could', and 'be able to' for expressing ability

• Using 'will' and 'shall' for future tense

• Learning about past perfect tense

• Exploring passive voice in English

Which of the following is an example of using 'can' to express ability?

• I can ride a bike.

• I will ride a bike.

• I might ride a bike.

• I should ride a bike.

What is a typical use of 'can' in a sentence?

• To express a future plan

• To express a past habit

• To express a present ability

• To express a hypothetical situation

Which of the following is NOT a correct use of 'can'?

• Can you help me with this?

• I can finish the project by tomorrow.

• I can have finished the project by tomorrow.

• Can it be true?

What is a typical situation where 'can' is used?

• It can snow in the Sahara.

• It can be hot in Madrid in August.

• It can be cold in the summer.

• It can rain in the desert.

What is a typical situation where 'can' is used?

• It can be cold in the summer.

• It can snow in the Sahara.

• It can be hot in Madrid in August.

• It can rain in the desert.

What is a typical situation where 'can' is used?

• It can be hot in Madrid in August.

• It can be cold in the summer.

• It can rain in the desert.

• It can snow in the Sahara.

Why can't 'can' be used with the present perfect tense?

• Because 'can' is only used for future tense

• Because 'can' is limited to present and past simple tenses

• Because 'can' is not a modal verb

• Because 'can' is used with conditional sentences

What is the limitation of using 'can' in English?

• It cannot be used in questions.

• It cannot be used with other modal verbs.

• It cannot be used in the past tense.

• It cannot be used in affirmative sentences.

Which sentence correctly uses 'be able to'?

• I am able to finish the report tomorrow.

• I will be able to attend the meeting tomorrow.

• I am able to finish the report yesterday.

• I was able to finish the report tomorrow.