tuliskan 20 soal kedalam bentuk present continue tense dalam bentuk positif(+) negatif(-) tanya(?) dan jawaban yes, no

1.(+)Andi is a student
(-)Andi is not a student
(?)is Andi a student?
yes, he is
no, he is not
2.(+)Helen is a nurse
(-)Helen is not a nurse
(?)is Helen a nurse?
yes, she is
no, she is not
3.(+)Dani is a doctor
(-)Dani is not a doctor
(?)is s Dani a doctor
yes, he is
no, he is not