い-Adjectives Basics

What are い-adjectives?

Adjectives that end in い (e.g., 大きい = big)

How do you use い-adjectives in a sentence?

XはYいです

Example

この本は面白いです = This book is interesting

Do い-adjectives need です?

No, but です adds politeness

How do you modify a noun with い-adjective?

Place directly before noun

Example

大きい犬 = big dog

What is the root of an い-adjective?

Remove the final い

Example

高い → 高-

Tone of い-adjectives

Direct and flexible