Đáp án + Giải thích các bước giải:

1. Russia is the biggest country in the World 

2. I am the youngest person in my family 

3. Sam is the best singer in class 

4. My birthday is the most exciting day in the year

5. Mr Harris is the nicest teacher in the school

________________________

So sánh nhất :

- Cấu trúc :

( + ) : S + to be + the + adj-est + N

( - ) : S + to be + not + the + adj-est + N

( ? ) : To be + S + the + adj-est + N ?

+ I dùng am 

+ He , she , it , danh từ số ít dùng is 

+ You , we , they , danh từ số nhiều dùng are

____________________________

*) Đặc biệt :

+ So sánh nhất với tính từ dài chuyển thành : the most + adj

+ Good - better - the best 

+ Bad - worse - the worst 

+ Far - Farther / Further - The farthest / The furthest

______________________

$\color{Orange}{\text{#CuteLucy}}$

`1.` Russia is the biggest country in the World.

`2.` I am the youngest person in my family.

`3.` Sam is the best singer in class. 

`4.` My birthday is the most exciting day in the year.

`5.` Mr Harris is the nicest teacher in the school.

 `------`

`-` Tính từ ngắn :  S1 ` + ` tobe ` + ` the ` + ` adj _est `+  ...`

`-` Tính từ dài :  S1 ` + ` tobe ` + ` the  most `+ ` adj `+  ...`

`-` good `/` well `->` better `->` the  best 

`-` bad `/ ` badly `->` worse `->`  the worst

`-` much `/` many -> more `->` the most

`-` far `->` farther `/` further `->` the farthest `/` the furthest.

`-` little `->` less `->` the least