State of Being Part 1

PRESENT POSITIVE/NEGATIVE


POSITIVE
(Subject) am/is/are (Object-None)
(Subject) WA (Object-None) DESU.

Example
I am a missionary.
WATASHI WA SENKYOUSHI DESU

She is American.
KANOJO WA AMERIKA-JIN DESU.

Japan is a country.
NIHON HA KUNI DESU.

NEGATIVE
(Subject) am/is/are NOT (Object-None)
(Subject) WA (Object-None) DEWA ARIMASEN.

I am NOT a missionary.

WATASHI WA SENKYOUSHI DEWA ARIMASEN.

She is NOT American.

KANOJO WA AMERIKA-JIN DEWA ARIMASEN.

Japan is NOT a country.

NIHON HA KUNI DEWA ARIMASEN.

PAST POSITIVE/NEGATIVE

POSITIVE

(Subject) was/were (Object-None)

(Subject) WA (Object-None) DESHITA.

Example

I was a missionary.

WATASHI WA SENKYOUSHI DESHITA.

She was American.

KANOJO WA AMERIKA-JIN DESHITA.

Japan was a country.

NIHON HA KUNI DESHITA.

NEGATIVE

(Subject) was/were NOT (Object-None)

(Subject) WA (Object-None) DEWA ARIMASEN DESHITA.

I was NOT a missionary.

WATASHI WA SENKYOUSHI DEWA ARIMASEN 

DESHITA

.

She was NOT American.

KANOJO WA AMERIKA-JIN DEWA ARIMASEN 

DESHITA

.

Japan was NOT a country.

NIHON HA KUNI DEWA ARIMASEN 

DESHITA

.