GV

Uses of Could

Using 'could' for past ability, possibility, polite requests, and suggestions

intermediate

When to Use Uses of Could

  • •Past ability: I could swim when I was five.
  • •Present possibility: It could rain later.
  • •Polite requests: Could you help me, please?
  • •Suggestions: You could try the new restaurant.
  • •Hypothetical ability: If I had time, I could help you.

How to Form Uses of Could

Affirmative (+)

Subject + could + base verb

Negative (-)

Subject + could not (couldn't) + base verb

Question (?)

Could + subject + base verb?

💡 Could is the past of 'can' but also has present/future meanings for possibility and politeness.

Examples of Uses of Could

✓She could speak three languages by age ten.

✗She could spoke three languages by age ten.

Could is always followed by the base form of the verb.

✓Could I borrow your pen?

✗Could I to borrow your pen?

No 'to' after could.

✓The package could arrive tomorrow.

✗The package could arrives tomorrow.

Base verb after could, no -s ending.

Common Mistakes with Uses of Could

💡 Practice Tips for Uses of Could

  • • Past general ability: could = was able to
  • • Past single achievement: use 'was able to' or 'managed to', not 'could'
  • • Negative past: couldn't works for both general and single actions
  • • Politeness scale: Could you...? is more polite than Can you...?
  • • Possibility: could = might (less certain than 'will')
Quick Quiz
  1. 1.She   read by the time she was four.
  2. 2.Be careful — you   hurt yourself.
  3. Question 3: When I lived near the sea, I blank (swim) every day.
    3.When I lived near the sea, I (swim) every day.
  4. Question 4: After many attempts, the firefighters blank (rescue) the cat from the tree.
    4.After many attempts, the firefighters (rescue) the cat from the tree.
  5. Question 5: blank (you/help) me with this box, please? (polite request)
    5. (you/help) me with this box, please? (polite request)
  6. Question 6: If I had more time, I blank (learn) Italian. (hypothetical)
    6.If I had more time, I (learn) Italian. (hypothetical)
  7. Question 7: It's not certain, but the package blank (arrive) tomorrow.
    7.It's not certain, but the package (arrive) tomorrow.
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