Level 1A: Elementary/Beginners >> Grammar Structure >> Easily followed structure lay out. Some students like to use it as a sort of crutch initially but quickly find they don't need it.

Present Simple

Positive Sentences

I
You
We
You
They
+      Infinitive
He
She
It
+      Infinitive + S

Questions

? WORD
   +   
DO/DOES
   +   
SUBJECT
   +   
INFINITIVE VERB

Negatives

SUBJECT
   +   
DON'T/DOESN'T
   +   
INFINITIVE VERB