1: Transitive verbs are verbs that have an object -- a noun or pronoun -- after the verb.
- I bought some clothes online.
- I made pancakes for breakfast.
- He sold his car for 10 dollars.
- She speaks Italian fluently.
2: Intransitive verbs are verbs that do not need an object.
- I work at a store downtown.
- I live in the city.
- I exercise every morning.
- I usually sleep three hours a night.
3: Once the object is mentioned, the speaker usually uses a pronoun and not the noun.
- What did you buy at the mall?
- I bought a new sweater?
- Where did you buy it?
- I got it at the new shop by the cafe.
4: We often use a general word after What when asking about the object of a sentence.
- What sports did you play as a kid?
- I played baseball.
- What movie did you watch last night?
- I watched the new Star Wars.
- What dishes can you cook?
- I can cook soup and stews.