can
can be
cannot
cloud
Answer is Right!
Answer is Wrong!
The correct answer is: A. can
The past form of “can” is “could”. “Can” is used to express ability, permission, or possibility. “Could” is used to express ability in the past, permission in the past, or possibility in the present or future.
For example:
- I can speak English.
- I could speak English when I was younger.
- You can go to the party.
- You could go to the party if you wanted to.
- It could rain tomorrow.
“Can be” is not the past form of “can”. “Can be” is used to express possibility or to describe a state of being.
For example:
- This book can be read by children.
- I can be a doctor when I grow up.
“Cannot” is not the past form of “can”. “Cannot” is the negative form of “can”.
For example:
- I cannot speak French.
“Cloud” is not the past form of “can”. “Cloud” is a noun that refers to a mass of water droplets or ice crystals in the atmosphere that obscures the sun or moon.
For example:
- The sky is cloudy today.