I am studing english.
Am i studing english?
yes, i am
no, i am not

i am going to the school.
am i going to the school?
yes, i am
no, i amo not

she is washing your shoes
are she washing your shoes?
yes, she is 
no, she is not

my mom teach very good
are my mom teach very good?
yes, she teach
no, she is not