` -> ` Cấu trúc 

` -> ` I + am / am not 

` -> ` He /she / it / Danh từ số ít / Tên tiêng + Is / isn't hoặc Is + He /she / it / Danh từ số ít / Tên tiêng

` -> ` You / we / they + are / aren't hoặc are + You / we / they

` 2 ` ( +)  I am afraid of dogs 

` 2 ` ( - ) I am not afraid of dogs

` 3 ` ( + ) Canada is a big country

` 3 ` ( -) Canada isn't a big country

` 4 ` ( + ) My teacher is young

` 4 ` ( - ) My teacher isn't young

` 5 ` : ( + ) It's hot today

` 5 `: ( - ) It isn't hot today

` 6 `: ( + ) I am hungry

` 6 `: ( - ) I am not hungry

`2.` I'm afraid of the dogs.`/` I am not afraid of the dogs.

`3.`Canada is the big country.`/` Canada isn't the big country.

`4.`My teacher is young.`/` My teacher isn't young.

`5.`It is hot today.`/` It is not hot today.

`6.`I am hungry.`/` I am not hungry.

Bạn chọn 1 trong 2 đáp án đúng với ản thân bạn nhé.

`\text{Hiện tại đơn với tobe}`

`(+)` S + am/is/are + O.

`(-)` S + am not/isn't/aren't + O.

$\text{I + am(not)}$

$\text{She/He/It/...ngôi 3 số ít + is(isn't)}$

$\text{You/We/They/...ngôi 3 số nhiều + are(aren't)}$