$\text{ @HV }$

1) Ba doesn't have a modern fridge

--->Ba wishes he had a modern fridge

Giải thích: Viết lại câu ước, nói về một điều không thể xảy ra ở hiện tại ---> dùng thì QKĐ

2) Because she doesn't have enough money, she won't buy that car

--->If she has enough money, she will buy that car

Giải thích: Viết lại câu if loại 1 : If + S1 + V (s/es), S2 + will + V inf

3) Although it rained very heavily, Mr.Smith went to work on time

--->Despite the heavy rain, Mr.Smith went to work on time

Giải thích: Despite đi với cụm danh từ, nên ta đổi mệnh đề "it rained very heavily" thành cụm danh từ "the heavy rain"

1)Ba doesn't have a modern fridge
--->Ba wishes he had a modern fridge.

S + not + V(hiện tại)

→S + wish + S + V(quá khứ)
2)Because she doesn't have enough money,she won't buy that car
--->If she had enough money, she would buy that car.

S + not + V(hiện tại), S + will + V_inf.

→If S + V(quá khứ), S + would + V.
3)Although it rained very heavily, Mr.Smith went to work on time
--->Despite the heavy rain, Mr.Smith went to work on time.

Although S + V, S + V.

→Despite + V_ing/cụm danh từ, S + V.