Question

We should use eco-friendly things. Identify the part of speech of the underlined word.(the underlined word is eco-friendly.)

Answer 1

The underlined word (eco-friendly) is an adjective.

• There are many part of speech in the English grammar. And adjective is one of the most important part of speech in the English grammar.

• Adjective is a word which is basically used to describe the noun of a sentence.

• Similarly,in the given question,the noun is 'things'. And,this noun is described by the word 'eco-friendly'.

• That's why 'eco-friendly' is an adjective in this sentence.

Answer 2

This question can be answered correctly only if you have thorough knowledge about adverbs and adjectives. Adverbs are words that usually end with '-ly' for example, quietly, beautifully, etc.

However, there are some adjectives also that end in '-ly', for example, costly, beastly, friendly, lovely, etc.

So the underlined word 'eco-friendly' is a compound adjective.