enjoy

Enjoy normally has an object.

• ‘Did you enjoy the party?’ ‘Yes, I enjoyed it very much.’ (not I enjoyed very much.)

To talk about having a good time, we can use enjoy myself/yourself, etc.

• I really enjoyed myself when I went to Rome.
• ‘We’re going to Paris for the weekend.’ ‘Enjoy yourselves!’

‘Enjoy!’ with no object is possible in informal English. It is often used by waiters in restaurants.

• One chicken curry and one fillet of sole. Enjoy!

Enjoy can be followed by -ing.

• I don’t enjoy looking after small children. (not … enjoy to look …)