13. He said that he was working in a new restaurant then

Công thức: S + said (that)/said to sb that/told sb that + S + V lùi thì

is working -> was working

now -> then

14. The teacher asked Lan where she found that book

Công thức: Câu hỏi wh- questions: S1 + asked + (O) + wh- (từ để hỏi) + S2 + V lùi thì
this -> that

15. Tom said to Linda that he was happy that day

is -> was

today -> that day

16. Linh said, "I will meet the train".

would -> will

Câu tường thuật - dạng câu kể 

S + said to / told + O + (that) + S + V (lùi thì)

S + said + (that) + S + V (lùi thì)

Câu tường thuật - dạng Wh-questions 

S + asked / wanted to know / wondered + (O) +WH + S+ V (lùi thì)

----------------------------------------------

HTTD ⇒ QKTD

HTD ⇒ QKD

will ⇒ would 

----------------------------------------------

now ⇒ then

this ⇒ that 

today ⇒ that day 

----------------------------------------------

13. He said that he was working in a restaurant then.

14. The teacher asked Lan where she found that book. 

15. Tom said to Linda that he was happy that day.

16. Linh said, "I will miss the train".

`color{orange}{~MiaMB~}`