1

(-) We aren't in grade 6.

(?) Are you in grade 6?

2

(-) Lan isn't beautiful.

(?) Is Lan beautiful?

3

(-) They aren't at home.

(?) Are they at home?

4

(-) Nam isn't hard-working.

(?) Is Nam hard-working?

5

(-) Lan and Nam aren't students.

(?) Are Lan and Nam students?

6 

(-) It isn't hot today.

(?) Is it hot today?

7

(-) The book isn't interesting

(?) Is the book interesting?

8

(-) The pens aren't new.

(?) Are the pens new?

9

(-) I am not at school.

(?) Are you at school?

10

(-) We aren't twelve years old.

(?) Are you twelve years old?

11

(-) He isn't an engineer.

(?) Is he an engineer.

12

(-) Lan isn't beautiful.

(?) Is Lan beautiful?

13

(-) I am not in class 6A.

(?) Are you in class 6A?

14

(-) We aren't at work now.

(?) Are you at work now?

15

(-) He isn't clever.

(?) Is he clever?

16

(-) This book isn't expensive.

(?) Is this book expensive?

17 

(-) Those houses aren't nice.

(?) Are those houses nice?

-----

* Hiện tại đơn:

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

(-) S + am/is/are + not...

(?) (Wh) + Am/Is/Are + S...?

$#trannhi222$

Công thức: (Hiện tại đơn)

`(+)` S `+` am/is/are `+` V1/s/es

`(-)` S `+` am/is/are `+` not `+` V1

`(?)` Am/is/are `+` S `+` V1

____________________________________

`1.` We are in grade `6`

`- (-)` We aren't in grade `6`

`- (?)` Are you in grade `6` ?

`2.` Lan is beautiful

`- (-)` Lan isn't beautiful

`- (?)` Is Lan beautiful?

`3.`They are at home

`- (-)` They aren't at home

`- (?)` Are they at home?

`4.` Nam is hard-working

`- (-)` Nam isn't hard-working

`- (?)` Is Nam hard-working?

`5.` Lan and Nam are students

`- (-)` Lan and Nam aren't students

`- (?)` Are Lan and Nam students?

`6.` It is hot today

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

`- (?)` Is it hot today?

`7.` The book is interesting

`(-)` The book isn't interesting

`(?)` Is the book interesting?

`8.` The pens are new

`- (-)` The pens aren't new

`- (?)` Are the pens new?

`9.` I am at school

`- (-)` I am not at school

`- (?)` Are you at school?

`10.` We are twelve years old

`- (-)` We aren't twelve years old

`- (?)` Are you twelve years old?

`11.` He is an engineer

`- (-)` He isn't an engineer

`- (?)` Is he an engineer

`12.` Lan is beautiful

`- (-)` Lan isn't beautiful

`- (?)` Is Lan beautiful?

`13.` I am in class `6A`

`- (-)` I am not in class `6A`

`- (?)` Are you in class `6A`?

`14.` We are at work now

`- (-)` We aren't at work now

`- (?)` Are you at work now?

`15.` He is clever

`- (-)` He isn't clever

`- (?)` Is he clever?

`16.` This book is expensive

`- (-)` This book isn't expensive

`- (?)` Is this book expensive?

`17.` Those houses are nice

`- (-)` Those houses aren't nice

`- (?)` Are those houses nice?