A.
Present perfect
tense
1. They clean their class.
They
do not clean their class.
Do
they clean their class?
B.
Simple Past
Tense
1. I studied
english yesterday
I did not study english yesterday
Did you study english yesterday ?
C. Simple
Continuous Tenses
1.
I am studying to become a doctor
I am not studying to become a doctor
Am i studying to become a doctor?
D. Simple Future
tense
1.
I will marry with you
I will not marry with you
Will i marry with you?
E. Present perfect
Tense
1.
I have finished my work
I have not
finished my work
Have i
finished my work?