Simple Present

Present Simple
(General truth and routine)

AFFIRMATIVE:

Subject    +     VERB    +    complement.

I                DRIVE         a car.
You           FLY             kites.
We           WATCH        TV.
They         EAT             pizza.

He               WASHES        the dishes.
She              STUDIES       English.
It                 SLEEPS        on the rug.

NEGATIVE:

Subject  +  DO/DOES + VERB (base form) + complement.

I              DON'T     DRIVE              a car.
You         DON'T     FLY                  kites.
We          DON'T     WATCH            TV.
They        DON'T     EAT                 pizza.

He          DOESN'T   WASH               the dishes.
She         DOESN'T   STUDY              English.
It            DOESN'T   SLEEP               on the rug.

INTERROGATIVE:

(WH) DO/DOES +    subject +     VERB (base form)   +   complement?

               DO             I           DRIVE                  a car?
               DO             you         fly                    kites?
               DO             we          WATCH                  TV?
               DO             they        EAT                    pizza?

              DOES           he          WASH                   the dishes?
              DOES           she         STUDY                  English?
              DOES           it          SLEEP                  on the rug?

Where   DO               you       LIVE?
What     DOES           he         DO                         on weekends?
When    DO               you       STUDY                   English?

THIRD PERSON SINGULAR -S RULES:

1. Add -S.
He walks
She runs
It jumps

2. Verbs ending in -ch, -sh, -s, -x, -o, -z: Add -ES.
He teaches          
She wishes          
It misses           
He fixes
She goes
It buzzes

3. Verbs ending in CONSONANT + -Y: Change -Y to -IES.
He studies  (study)
She cries   (cry)
It flies    (fly)