How in the world do I do this.

First, identify the gerund in the sentence below. Then, replace the gerund with the infinitive of the same verb. Type the infinitive form of the verb in the space provided.

Debbie loved watching the skaters glide around the rink.

Please tell me. It says what I put in is wrong.

Gerunds end in -ing.

Infinitives begin with to (as in 'to run' or 'to be … ')