I _____ 20 years old. (am / is / are) 2. I have a new hat. It ____ pink. (am / is / are) 3. This is my brother. He _____ very tall. (am / is / are) 4. Ben ____ my best friend at school. (am / is / are) 5. I've got 2 brothers. They _____ Jack and Jill. (am / is / are) 6. My school ______ Nguyen Sieu Primary School. (am / is / are) 7. We are very happy because today we ________ at school. (am not/ isn't/ aren't) 8. ______ you a student? (am / is / are) 9. These books _____ red. (am / is / are) 10. We _____ in the yard. (am / is / are) 11. Those schools ______big. They are small. (am not / is not / are not) 12. What ______ your name? (am / is / are) 13. ______ Mr. Nam a teacher? (Am / Is / Are) 14. Her name ______ Anna. (am / is / are) 15. _____ this your ruler? (Am / Is / Are)

$\rightarrow$ $\text{giải thích: }$

-I/we/you/they/danh từ số nhiều+are+...

-She/he/it/danh từ số ít+is+...

`1.` am

`2.` is

`3.` is

`4.` is

`5.` are

`6.` is

`7.` are

`8.` Are

`9.` are

`10. ` are

`11.` are not

`12.` is

`13.` Is.

`14.` is 

`15.` Is.

Động từ Tobe ở thì hiện tại đơn

Ngôi thứ nhất: I + am (I’m)

Ngôi thứ ba số ít: He, She, It + is (He’s, She’s, It’s)

Ngôi thứ hai và ngôi thứ ba số nhiều: You,We, They, … + are (You’re, We’re, …) 

Động từ thường thì hiện tại đơn

Ngôi thứ ba số ít: He, She, It + V(s, es)

Ngôi thứ nhất, thứ hai và thứ ba số nhiều: I, You, We, They + V