he, she, it
I work here.
He
works in the office.My friend studies at the University.
Do/Does + Noun + V ?
Do I work here for money?
Does he study there for fun?
Noun + do/does not + V
don’t/doesn’t
I don’t work here for money.
He doesn’t study there for fun.
s,sh,ch,x,ss,o
+
-
?