Informal

First things first !

Know that there are two types of

adjectives, and two types of speech in

Japanese (formal speech/informal speech)

1. i-adjectives

2. na-adjectives

I will cover (informal) i-adjectives in this

lesson

The rules for conjugating i-

adjectives

(Present affirmative (informal)

This one is easy because you do absolutely nothing to change the adjective!

Ex: ureshii stays ureshii

Ex sentence: watashi wa ureshii.

(I am happy.)

Rules for conjugating i-

adjectives

(Present Negative(informal) 1. Drop the final ( i ) from the adj.

2. Add ku nai

Ex: ureshii drop the final i

ureshiku nai add ku nai

Ex sentence: watashi wa ureshiku nai.

( I am not happy. )

Rules for conjugating i-

adjectives

(Past affirmative (informal) 1. Drop the final ( i ) from the adj.

2. Add katta

Ex: ureshiidrop the final i

ureshikatta add katta

Ex sentence: watashi wa ureshikatta.

( I was happy. )

Rules for conjugating i-

adjectives

(Past Negative (informal) 1. Drop the final ( i )

2. Add ku nakatta

Ex: ureshii ureshiku nakatta

Ex sentence: watashi wa ureshiku

nakatta.

( I was not happy.)

BRACE YOURSELF!

Here come examples of common

i-adjectives for you to practice with.

They are written in all the 4 tenses we’ve

covered.

1. Present Affirmative /2. Present Negative

3.Past Affirmative / 4. Past Negative

Takai= expensive

Takai= is expensive

Takakunai=not expensive

Takakatta=was expensive

Takaku nakatta= was not

expensive

Yasui=cheap

Yasui= is cheap

Yasuku nai= is not cheap

Yasukatta= was cheap

Yasuku nakatta= was not

cheap

Ureshii=happy

Ureshii= is happy

Ureshiku nai= is not happy

Ureshikatta = was happy

Ureshiku nakatta= was not

happy

Oishii = delicious (good tasting)

Oishii = is delicious

Oishiku nai = is not delicious

Oishikatta = was delicious

Oishiku nakatta = was not

delicious

Mazui= bad tasting

Mazui = is bad tasting

Mazuku nai = is not bad tasting

Mazukatta = was bad tasting

Mazuku nakatta = was not bad

tasting

Kanashii= sad

Kanashii = is sad

Kanashiku nai= is not sad

Kanashikatta= was sad

Kanashiku nakatta= was not

sad

Atsui= hot

Atsui = is hot

Atsuku nai = is not hot

Atsukatta= was hot

Atsuku nakatta= was not hot

Samui= cold

Samui= is cold

Samuku nai= is not cold

Samukatta = was cold

Samuku nakatta= was not

cold

Chiisai= small

Chiisai= is small

Chiisaku nai = is not small

Chiisakatta= was small

Chiisaku nakatta= was not

small

Ookii = big

Ookii = is big

Ookiku nai = is not big

Ookikatta= was big

Ookiku nakatta = was not big

Akarui = bright

Akarui= is bright

Akaruku nai = is not bright

Akarukatta = was bright

Akaruku nakatta= was not

bright

Kurai = dark

Kurai = is dark

Kuraku nai = is not dark

Kurakatta= was dark

Kuraku nakatta = was not

bright

Isogashii= busy

Isogashii = is busy

Isogashiku nai = is not busy

Isogashikatta = was busy

Isogashiku nakatta = was not

busy

Tanoshii = fun/pleasant

Tanoshii = is fun

Tanoshiku nai = is not fun

Tanoshikatta = was fun

Tanoshiku nakatta = was not

fun

Hayai = fast

Hayai = is fast

Hayaku nai = is not fast

Hayakatta = was fast

Hayaku nakatta = was not fast

Osoi = slow

Osoi = is slow

Osoku nai = is not slow

Osokatta = was slow

Osoku nakatta= was not slow

ii= good

ii= is good

Yoku nai= is not good

Yokatta = was good

Yoku nakatta = was not good

Warui= bad

Warui = is bad

Waruku nai = is not bad

Warukatta = was bad

Waruku nakatta = was not bad

Atarashii= new

Atarashii = is new

Atarashiku nai = is not new

Atarashikatta= was new

Atarashiku nakatta = was not

new

Furui= old

Furui = is old

Furuku nai = is not old

Furukatta = was old

Furuku nakatta= was not old

Yasashii = easy

Yasashii= is easy

Yasashiku nai = is not easy

Yasashikatta = was easy

Yasashiku nakatta = was not

easy

Muzukashii= difficult

Muzukashii= is difficult

Muzukashiku nai = is not difficult

Muzukashikatta= was difficult

Muzukashiku nakatta = was not

difficult

Omoshiroi = interesting

Omoshiroi = is interesting

Omoshiroku nai= is not interesting

Omoshirokatta= was interesting

Omoshiroku nakatta = was not

interesting

tsumaranai= boring

Tsumaranai = is boring

Tsumaranaku nai= is not boring

Tsumaranakatta= was boring

Tsumaranaku nakatta= was not

boring

Tooi= far/distant

Tooi= is far

Tooku nai= is not far

Tookatta = was far

Tooku nakatta = was not far

Chikai= close

Chikai= is close

Chikaku nai = is not close

Chikakatta = was close

Chikaku nakatta= was not

close

Itai= painful

Itai= is painful

Itaku nai= is not painful

Itakatta = was painful

Itaku nakatta = was not

painful

Amai=sweet

Amai= is sweet

Amaku nai = is not sweet

Amakatta= was sweet

Amaku nakatta= was not

sweet

Suppai= sour

Suppai= is sour

Suppaku nai= is not sour

Suppakatta = was sour

Suppaku nakatta = was not

sour

Omoi = heavy

Omoi = is heavy

Omoku nai = is not heavy

Omokatta = was heavy

Omoku nakatta = was not

heavy

Karui = light (for weight)

Karui= is light

Karuku nai = is not light

Karukatta = was light

Karuku nakatta = was not light

Semai = narrow

Semai = is narrow

Semaku nai = is not narrow

Semakatta = was narrow

Semaku nakatta = was not

narrow

hiroi = wide

Hiroi = is wide

Hiroku nai = is not wide

Hirokatta = was wide

Hiroku nakatta = was not wide

• Translate the following words in ( informal )japanese with their

proper conjugations. Ex: Is happy = ureshii

1. Is far =

2. Is cold =

3. Is big =

4. Is hot =

5. Is fun =

6. Is busy =

7. Is bright =

8. Is cheap =

9. Is delicious =

10. is good =

• Translate the following words in ( informal )japanese with their

proper conjugations. Ex: Is not happy = ureshiku nai

1. Is not cold =

2. Is not far =

3. Is not busy =

4. Is not big =

5. Is not hot =

6. Is not expensive=

7. Is not good = *note, negative tense of yoi(good) must be used

here, ii(good) can only be used in the present affirmative tense.

8. Is not small =

9. Is not new =

10. Is not delicious =

Ex: Was far = tookatta

1. Was happy =

2. Was big =

3. Was delicious =

4. Was good =

5. Was bad=

6. Was busy =

7. Was wide =

8. Was fun =

9. Was cheap=

10. Was sweet =

Ex: Was not expensive = takaku nakatta

1. Was not far =

2. Was not small =

3. Was not heavy =

4. Was not dark =

5. Was not happy =

6. Was not near =

7. Was not busy =

8. Was not delicious =

9. Was not fun =

10. Was not cheap =

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