=>
101. He asked me if he had to do it.
102. The mother asked her daughter where she had been.
103. She asked me what they were doing.
104. She asked her boyfriend which dress he liked best.
105. She asked me how I knew that.
106. She asked me where I had gone the day before.
107. They asked John how he could repair that machine.
108. John asked Peter why the dog had barked violently the night before.
109. He asked me how long it took to get to London.
110. They asked me where my school was.
Câu tường thuật dạng YES/NO questions : asked sb if/whether S V (Lùi thì)
Câu tường thuật dạng WH/H questions : asked sb + từ để hỏi + S V(lùi thì)
HTĐ -> QKĐ
HTHT -> QKHT
HTTD -> QKTD
QKĐ -> QKHT
Can -> could