a) The book is interested, but I am boring.

b) The book is interesting, but I am bored.

a) She was happy to see her friend again.

b) She was happy seeing her friend again.

a) The students were interested in the lesson.

b) The students were interesting in the lesson.

a) This movie is exciting.

b) This movie is excited.

a) I feel bored when I have nothing to do.

b) I feel boring when I have nothing to do.

a) b) Eat too much junk food is unhealthy.

b) Eating too much junk food is unhealthy.

a) She went to the store buying some bread.

b) She went to the store to buy some bread.

a) She enjoys reading novels.

b) She enjoys to read novels.

a) The ran water looks clear.

b) The running water looks clear.

a) The breaking window needs to be repaired.

b) The broken window needs to be repaired.

a) The exciting match kept everyone on the edge of their seats.

b) The excited match kept everyone on the edge of their seats.

a) The written report was submitted on time.

b) The writing report was submitted on time.

a) A verb form that ends in -ed or an irregular form used in perfect tenses.

b) A verb form that ends in -ing and is used in continuous tenses or as an adjective.

a) A verb form that is used in perfect tenses and passive voice, often ending in -ed or irregular forms.

b) A verb form that always ends in -ing and describes an ongoing action.

a) An infinitive is the base form of a verb with “to” (e.g., to read), while a gerund is a verb ending in -ing that functions as a noun.

b) An infinitive always ends in -ing, and a gerund is always used after “to.”