Так не в Present Simple, а в Present Continuous, судя по примеру.

Have - having.

Swim - swiming.

Go - going.

Work - working.

Meet - meeting.

Practise - practising.

Eat - eating.

Do - doing.

Look - looking.

Paint - painting.

Serve - serving.

Read - reading.

Deliver - delivering.

Waint - wainting.

Come - coming.

having, swiming, going, working, meeting, practising, eating, doing,

looking, painting, serving, reading, delivering, wainting, coming.