Let’s look at how to conjugate verbs to “present progressive” tense.

Words

먹다 - to eat ( Infinitive Verb )

가다 - to go ( Infinitive Verb )

쉬다 - to rest ( Infinitive Verb )

전화하다 - to place a call ( Infinitive Verb )

입다 - to wear ( Infinitive Verb )

Phrases

(V)고 있다 - (V)ing

먹고 있다 - am/is eating

가고 있다 - am/is going

쉬고 있다 - am/is resting

전화하고 있다 - am/is making a call

입고 있다 - am/is wearing