Present Tense Overview
Present tense adjectives describe current states, general truths, and characteristics. Both i-adjectives and na-adjectives have present forms.
I-adjective: 高い - is expensive
Na-adjective: 静かだ - is quiet
I-adjective Present
Plain Form
Dictionary form = Present tense
高い - is expensive
大きい - is big
美味しい - is delicious
難しい - is difficult
Polite Form
Add です
高いです - is expensive (polite)
大きいです - is big (polite)
美味しいです - is delicious (polite)
難しいです - is difficult (polite)
Na-adjective Present
Plain Form
Na-adjective + だ
静かだ - is quiet
便利だ - is convenient
きれいだ - is beautiful
元気だ - is energetic
Polite Form
Na-adjective + です
静かです - is quiet (polite)
便利です - is convenient (polite)
きれいです - is beautiful (polite)
元気です - is energetic (polite)
When to Use Present Tense
1. Current State
今日は暑い
"Today is hot"
この部屋は静かです
"This room is quiet"
私は元気だ
"I am healthy/fine"
2. General Truth
富士山は高い
"Mt. Fuji is tall"
この町は便利です
"This town is convenient"
日本語は難しい
"Japanese is difficult"
3. Permanent Characteristics
彼は背が高い
"He is tall"
この車は速いです
"This car is fast"
彼女はきれいだ
"She is beautiful"
4. Habitual States
私は毎日忙しい
"I am busy every day"
この店はいつも静かです
"This store is always quiet"
Comparison: I-adj vs Na-adj Present
| Type | Plain | Polite | Example |
|---|---|---|---|
| I-adj | い | いです | 高い / 高いです |
| Na-adj | だ | です | 静かだ / 静かです |
Side by Side
I-adjective:
この本は高い "This book is expensive"
この本は高いです "This book is expensive" (polite)
Na-adjective:
この部屋は静かだ "This room is quiet"
この部屋は静かです "This room is quiet" (polite)
Modifying Nouns (Present)
I-adjectives
Modify directly:
高い本 - expensive book
大きい家 - big house
美味しい料理 - delicious food
新しい車 - new car
Na-adjectives
Add な:
静かな部屋 - quiet room
便利な店 - convenient store
きれいな花 - beautiful flower
元気な子供 - energetic child
Common Patterns
Describing Objects
この車は高い
"This car is expensive"
そのカバンは大きいです
"That bag is big"
あの建物はきれいだ
"That building is beautiful"
Describing Places
東京は大きい
"Tokyo is big"
この町は静かです
"This town is quiet"
あの場所は便利だ
"That place is convenient"
Describing People
彼は親切だ
"He is kind"
先生は優しいです
"The teacher is gentle"
田中さんは元気です
"Tanaka is energetic"
Describing Weather
今日は暑い
"Today is hot"
外は寒いです
"Outside is cold"
天気がいい
"The weather is good"
Question Forms
I-adjectives
高いですか?
"Is it expensive?"
美味しいですか?
"Is it delicious?"
難しいですか?
"Is it difficult?"
Na-adjectives
静かですか?
"Is it quiet?"
便利ですか?
"Is it convenient?"
元気ですか?
"Are you well?"
Answering Questions
Affirmative
Q: 高いですか?
"Is it expensive?"
A: はい、高いです
"Yes, it is expensive"
Q: 静かですか?
"Is it quiet?"
A: はい、静かです
"Yes, it is quiet"
Negative
Q: 難しいですか?
"Is it difficult?"
A: いいえ、難しくないです
"No, it is not difficult"
Q: 便利ですか?
"Is it convenient?"
A: いいえ、便利じゃないです
"No, it is not convenient"
Conversation Examples
Example 1: Shopping
A: このシャツはどうですか?
"How is this shirt?"
B: いいですね。でも高いです
"It's good. But it's expensive"
A: 本当ですね。あれは?
"That's true. How about that one?"
B: あれは安くていいです
"That one is cheap and good"
Example 2: Describing a Place
A: この町はどうですか?
"How is this town?"
B: とても静かです
"It's very quiet"
A: 便利ですか?
"Is it convenient?"
B: はい、駅も近くて便利です
"Yes, the station is also close and it's convenient"
Example 3: Asking About Food
A: この店の料理は美味しいですか?
"Is the food at this restaurant delicious?"
B: はい、とても美味しいです
"Yes, it's very delicious"
A: 高くないですか?
"Isn't it expensive?"
B: 少し高いですが、美味しいです
"It's a little expensive, but it's delicious"
Multiple Adjectives
Connecting with て-form
この部屋は広くて明るい
"This room is spacious and bright"
彼女はきれいで親切です
"She is beautiful and kind"
この本は面白くて安い
"This book is interesting and cheap"
Degree Expressions
Intensifiers
とても高い
"very expensive"
すごく大きい
"extremely big"
本当に美味しい
"really delicious"
かなり難しい
"quite difficult"
ちょっと高い
"a little expensive"
Reducing Intensity
あまり高くない
"not very expensive"
それほど大きくない
"not that big"
全然難しくない
"not difficult at all"
Common Mistakes
Mistake 1: Wrong Polite Form
Wrong: 高いはです ❌
Right: 高いです ✓
Wrong: 静かなです ❌
Right: 静かです ✓
Mistake 2: Mixing I-adj and Na-adj Patterns
Wrong: 高いだ ❌
Right: 高い ✓ (i-adjective doesn't need だ)
Wrong: 静か ❌ (as predicate)
Right: 静かだ ✓ (na-adjective needs だ)
Mistake 3: Using だ in Polite Speech
Wrong: 高いだです ❌
Right: 高いです ✓
Wrong: 静かだです ❌
Right: 静かです ✓
Present Tense vs Other Tenses
| Tense | I-adjective | Na-adjective | Meaning |
|---|---|---|---|
| Present | 高い | 静かだ | is expensive / is quiet |
| Past | 高かった | 静かだった | was expensive / was quiet |
| Negative | 高くない | 静かじゃない | is not expensive / is not quiet |
Key Differences: Plain vs Polite
Plain (Casual)
高い - expensive
大きい - big
静かだ - quiet
便利だ - convenient
Use with: friends, family, casual situations
Polite (Formal)
高いです - expensive
大きいです - big
静かです - quiet
便利です - convenient
Use with: strangers, superiors, formal situations
Practice Patterns
Describing Items
この車は速い
"This car is fast"
その時計は高いです
"That watch is expensive"
あのカバンは軽い
"That bag is light"
Describing States
私は今忙しい
"I am busy now"
彼は元気です
"He is well"
この問題は簡単だ
"This problem is simple"
Key Takeaways
✓ I-adjectives: dictionary form = present
✓ Na-adjectives: need だ (plain) or です (polite)
✓ Add です for politeness to i-adjectives
✓ Use for current states and general truths
✓ Modify nouns directly (i-adj) or with な (na-adj)
✓ Can combine multiple adjectives
✓ Questions add か
✓ Present describes now and always
Master present tense - most common adjective form!
Next: Adjective Past Tense
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