Simple Present

Simple PAST

LET US SEE

Is the action that began in the past and finished in the past

EX: I was in my house yesterday.

Formula

PRONOUN + VERB (PAST FORM) + COMPLEMENT

FOR AFFIRMATIVE SENTENCES + VERB TO BE.

I WAS IN MY HOUSE YESTERDAY.

FOR NEGATIVE SENTENCES + VERB TO BE

I WAS (NOT) IN MY HOUSE YESTERDAY.

FOR QUESTIONS: WAS I IN MY HOUSE YESTEDAY?

^FORMULAS + VERB TO BE

AFFIRMATIVE: NOUN+VERB+COMPLEMENT

NEGATIVE: NOUN+ VERB+ NOT+ COMPLEMENT

QUESTION: VERB+NOUN+COMPLEMENT

AFFIRMATIVE : I WALKED IN THE PARK YESTERDAY

NEGATIVE: I DID NOT WALK IN THE PARK YESTEDAY.

QUESTIONS: DID I WALK IN THE PARK YESTERDAY.

FORMULAS

AFFIRMATIVE: NOUN + VERB PAST FORM+ COMPLEMENT.

NEGATIVE: NOUN+ DID NOT+ VERB BASE FORM+ COMPLEMENT.

QUESTIONS:DID + NOUN + COMPLEMENT.

WHEN WE USE REGULAR AND IRREGULAR VERBS WE NEED TO USE THE AUXILIARY (DID) AND THE VERB REMAINS WITH ITS BASE FORM.

FOR NEGATIVE SENTENCES AND QUESTIONS

EX: NEGATIVE:I DID NOT WALK IN THE PARK.

QUESTION: DID I WALK IN THE PARK ?