SIMPLE PRESENT	Pp + simple  form	Pp  + Don ´t--doesn´t + verb sf			Do--does + pp+verb	SIMPLE PAST		Pp +  past form	Didn´t + verb simple form	Did + pp + verb simple form
PP	POSITIVE        +	NEGATIVE        -		INTERROGATIVE   ?			PP	POSITIVE     +	NEGATIVE      -	INTERROGATIVE   ?
EXAMPLE	I go to school	I don´t go to school		Do I go to school?			EXAMPLE	I went to school	I didn´t go to school	Did I go to school?
I							I
YOU							YOU
HE							HE
SHE							SHE
IT							IT
WE							WE
YOU							YOU
THEY							THEY
I							I
YOU							YOU
HE							HE
SHE							SHE
IT							IT
WE							WE
YOU							YOU
THEY							THEY
I							I
YOU							YOU
HE							HE
SHE							SHE
IT							IT
WE							WE
YOU							YOU
THEY							THEY
I							I
YOU							YOU
HE							HE
SHE							SHE
IT							IT
WE							WE
YOU							YOU
THEY							THEY