unit 3
Yes/No question ?
Part one
Grammartical structure
The order of word in yes/ no question
To be + S + C ?
Subject: chñ ng÷
Complement: bæ ng÷
Yes / No
Yes, S + To be
No, S + To be + not
1. Verb “To be”
Is it
Yes, it is.

a tiger ?

for example
IS it
No, It isn?t.
for example
It?s a folklift
a lorry ?

AUX + S + V + ( O )
Auxiliary verb: Trợ động từ
Subject: Chủ ngữ
Main verb: Động từ chính
Object: T©n ng÷
Yes / No
Yes, S + AUX
No, S + AUX + not
2. The ordinary verbs
for example
Does she work outside ?
No, she doesn?t
Does she work with her hand ?
Yes, she does
Part two
Grammartical Practice
Exercise one: Answer these yes/no questions
Is it a water melon ?
No, it?s a pumkin.
Is it an air craft ?
Yes, it is.
Exercise two: Fill in the blanks with suitable words
.............. a worker ?
......, he ................. He?s.............................
an engineer
No
isn?t
is he
............he come from Asia ?
....., SHE................
dOES
yES
DOES