Have-having
Swim-swiming
Go-going
Work-working
Meet-meeting
Practise-practing
Eat-eating
Do-doing
Look-looking
Paint-painting
Serve-serving
Read-reading
Deliver-delivering
Repair-repairing
Wait-waiting
Come-coming
Смотри просто прибавляешь к словам 'ing',но не во всех словах так.Спроси потом у учителя подробнее.