Adjective are the integral part of the sentence which is used extensively by the every English-speaking person. Adjectives are usually placed before nouns. Sometime linking verb like to be or “sense” verb are placed before adjective.
Adjective before noun:
Example: John has taken a huge loan from the bank.
Adjective after to be verb:
Example: She is tall.
“Sense” verbs such as look, seem, appear, taste, sound, feel, or smell, also demand a verb + adjective word order:
Example: He felt a cold by staying in pool.
When Verbs Become Adjectives: Participles
One more consideration is verb sometime can act as adjective, if they are in their participle form. Turning verb into -ing (present participle), -ed or -en (past participle) are used to modify nouns (which are basically Adjectives)
Example:
The biometer is used for sensing signals.
My washing machine is broken.