Ability

ABILITY

• Can; Can't (Ability in present) / Could; Couldn't (Ability in past)
• --Affirmative-- Subjet + can/could + verb in base form (vibf)
• examples: Amanda can swim very well.
• Sam could skate when he was two years old
• --Negative-- Subjet + can't/couldn't + (vibf)
• examples: Tommy can't run fast.
• She couldn't remember the song.
• --Interrogative-- Can/Could + subject + (vibf)
• examples: Can she speak Italian? Yes, she can./ No, she can't.
• Could you lend me money? Yes, I could./ No, I couldn't.