Understanding 'Could' and Past Abilities

This video tutorial explains the use of 'could' and 'was able to' in English grammar. 'Could' is used for general abilities in the past, while 'was able to' is used for specific achievements. The video provides examples and highlights special uses of 'could' with senses like see, hear, and smell. It also covers forming negative sentences using 'couldn't' and 'wasn't able to'. The tutorial concludes with a call to action for viewers to practice forming sentences using these structures.

What is the main focus of this lesson?

• Using 'can' and 'will' in sentences

• Understanding 'could' and 'was able to'

• Exploring passive voice

• Learning about future tense

Which word is used to describe general abilities in the past?

• Might

• Will

• Can

• Could

What is an example of a general ability?

• Winning a race

• Passing an exam

• Climbing a mountain

• Running fast as a child

Which phrase is used for specific achievements in the past?

• Should have

• Might have

• Was able to

• Could

What is an example of a specific achievement?

• Running fast

• Passing a difficult exam

• Speaking multiple languages

• Sleeping well

Which sentence correctly uses 'was able to'?

• I could see the mountain.

• I could run fast.

• I was able to finish the project on time.

• I could remember the song.

Which of the following is a correct use of 'could' with sensory verbs?

• I could finish the task.

• I could run fast.

• I could taste the victory.

• I could see the stars clearly.

What is a special use of 'could'?

• To indicate present abilities

• To describe future plans

• To show hypothetical situations

• To express past sensory experiences

Which sentence correctly uses 'couldn't'?

• I couldn't run fast.

• I couldn't finish the book.

• I couldn't remember the past.

• I couldn't see the future.

What is the alternative to 'couldn't' in negative sentences?

• Can't

• Won't

• Didn't

• Wasn't able to