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Transitive verbs must have a direct object:
- I enjoyed the party (NOT:
I enjoyed).
- William likes chocolate (NOT:
William likes).
- They arrived.
- The children are sleeping.
Many verbs have a transitive and an intransitive form:
- John ate the pizza (transitive).
- John ate (intransitive).
- I see the mountains (see = see with your eyes, transitive).
- I see (see = understand, intransitive).