`***` Câu tường thuật dạng statement:

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

`-` Khi đó, lùi thì TLĐ: will (not) `->` would (not)

`-` Khi đó, lùi các modal verbs về dạng QKĐ của chúng

`----------`

`1.` that she would take part in the competition.

`-` Đổi ngôi: I `->` she

`2.` that he had to pay the bills before Saturday.

`-` Đổi ngôi: I `->` he

`-` must `->` had to

`3.` that it might rain in the evening.

`-` may `->` might

Câu tường thuật - dạng câu kể 

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

S + said + (that) + S + V (lùi thì)

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

will ⇒ would 

must ⇒ had to

may ⇒ might 

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

1. that she would take part in the competition.

2. that he had to pay the bills before Saturday.

4. that it might rain the evening.

`color{orange}{~MiaMB~}`