Yes, both the present participle and the past participle of a verb can be an adjective. Examples:
Present participle
verb: I like to go fishing with my father on weekends.
adjective: We have a favorite fishing spot.
Past participle
verb: We fished together last weekend.
adjective: We keep it a secret because we don't want it to become an over fished spot.
No, determine is a verb. The verb form "determined" can be an adjective, meaning resolute. The form determining can also be used as an adjective.
No. Calculate is the verb. The form "calculated" can be used as an adjective.
Yes it's a verb. It can also be used as a noun.
No. Prepare is a verb. The form prepared may be used an adjective.
In this case, the word stuffed is used as an adjective.
The verb form can be used as an adjective, as in a hovering vulture.
No, determine is a verb. The verb form "determined" can be an adjective, meaning resolute. The form determining can also be used as an adjective.
No, it is a form of the verb to realize. The past participle of the verb, realized, can be used as an adjective.
A participle
No. Calculate is the verb. The form "calculated" can be used as an adjective.
No, it is a verb form (to love) and can be used as an adjective (loved or beloved).
No, it is a verb. One adjective form is "appointed."
The noun form of the adjective 'fantastic' is fantasticalness.There is no verb form of the adjective 'fantastic', however the adverb 'fantastically' can be used to modify a verb.
No. it is not a verb. These is a pronoun (plural of this) and is used as an adjective.
Yes it's a verb. It can also be used as a noun.
plant
No. Prepare is a verb. The form prepared may be used an adjective.