Grammar - Can vs. Could: Ability, Possibility, and Requests

Read the text and complete the activities below.

• Can (Present Ability)
  • "I can speak English."
• Can (General Possibility)
  • "It can get very cold in December."
• Can (Informal Requests/Permission)
  • "Can I use your pen?"
• Could (Past Ability)
  • "I could swim when I was five years old."
• Could (Hypothetical Possibility)
  • "It could rain later, so take an umbrella."
• Could (Polite Requests)
  • "Could you help me with this bag, please?"

ACTIVITIES

Activity 1: Multiple Choice

Choose the best option to complete the sentences.

1. When I was a child, I _______ jump very high.
Select... a) can b) could c) can't

2. Excuse me, _______ you tell me the way to the station? (Polite request)
Select... a) can b) could c) couldn't

3. I’m free tonight, so I _______ definitely meet you for coffee.
Select... a) can b) could c) can to

4. If we had enough money, we _______ buy a new car.
Select... a) can b) could c) can't

5. "Are you busy?" "Yes, I _______ talk right now."
Select... a) can b) could c) can't

Activity 2: Gap Fill

Complete the sentences using can, could, can't, or couldn't.

1. She is a polyglot; she speak five different languages fluently.

2. I looked everywhere, but I find my keys yesterday.

3. you please speak a bit slower? I’m still learning English.

4. It’s a beautiful day! We go for a walk in the park.

5. My brother play the violin when he was younger, but he has forgotten how now.

Activity 3: Sentence Correction

Each sentence below has one mistake. Rewrite the sentence correctly.

1. I could to play football very well ten years ago.

2. Can you could open the door for me, please?

3. She can't swam when she was a toddler.

4. We can went to the cinema last night because we finished work early.

5. If I am you, I could ask for help.

Activity 4: Multiple Choice (Situational)

Read the short context and choose the most appropriate modal verb.

1. Context: You are at a restaurant and want to ask the waiter for more water politely.
"Excuse me, ________ I have some more water, please?"
Select... a) can b) could c) couldn't

2. Context: Talking about a talent you had when you were a teenager but don't have now.
"I ________ draw amazing portraits when I was fifteen."
Select... a) can b) could c) can't

3. Context: Looking at a dark cloud in the sky right now.
"Look at those clouds! It ________ rain at any moment."
Select... a) can b) could c) couldn't

4. Context: Your friend is struggling to carry a heavy box.
"That looks heavy! ________ I help you with that?"
Select... a) Can b) Could c) Couldn't

5. Context: Explaining why you missed the party last Saturday.
"I’m sorry I didn't show up; I ________ leave work on time."
Select... a) can't b) couldn't c) could

Activity 5: Unscramble the Sentences

Put the words in the correct order to form a proper sentence.

1. you / the / me / Could / time / tell / ?

2. very / fast / can / She / run / .

3. we / last / find / hotel / couldn't / We / night / a / .

4. come / party / to / I / the / can / tomorrow / .

5. speak / child / when / couldn't / he / Italian / was / He / a / .