3. There is 2 type of interrogative sentence.
1] The sentence is start from helping verb.
2] The sentence is start from Wh-words.
• If you start the sentence from the helping verb that time
you got the answer only Yes/No. Ex:- Are you playing
chess ?
And when your sentence is started from the Wh-word that
time you got additional information Ex:- What are you
doing?
Helping verb Wh-words
Is / am / are When , Where
Was / were What , Who
do / does / did Whom , Which
Shall / will
4. How to change the voice ?
1st step :- find out the subject , verb & object from the
sentence.
Ex:- Are you playing chess ?
(subject) (verb) (object)
2nd Step
(Became)
Subject Object
Object Subject
Helping verb Helping verb + being
To have To have + been
Modal auxiliary Modal auxiliary + be + V3 + by
+ Subject
5. Active voice :- Did she recognized you ?
Passive Voice :- Were you recognized by her ?