5. Formula :
(+) S + verb 1+object
Example :
I study english every saturday
Formula :
( -) S+ don’t/doesn’t + verb 1 + object
Example :
I doesn’t study english saturday
Formula :
(?) Do/Does + S + verb 1 + object
Example :
Do I study english saturday ?
6. Formula ( + ) :
S +to be (am,is,are ) + non verb + object
Example :
a. I am a teacher
Formula ( - ) :
S + to be (am,is,are ) + Not + non verb +object
Example :
b. I am not a teacher
c. Formula ( ? )
To be ( am.is.are ) + s + non verb +object
Example :
Are you a teacher ?