Em hãy đổi các câu sau sang dạng phủ định và nghi vấn với thì hiện tại đơn. VD: They listen to music every day. =>They don't listen to English every day. => Do they listen to English every day? 1.He often goes to school on foot. 2. It rains don't very hard. 3. The sun warms the air. 4. Bad student never works hard. 5. It often rains in the summer. 6.I always meet him on the corner of this street. 7.Water boils at 100 defrees centigrade.

Công thức phủ định và nghi vấn thì hiện tại đơn:

V thường:

(-)S+don't/doesn't+V

(?)Do/Does+S+V ?

To be

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

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

1.He often goes to school on foot.

=>He doen't often go to school on foot.

=>Does he often go to school in foot ?

.2. It rains don't very hard.

đề câu 2 sai nhé

3. The sun warms the air.

=>The sun isn't warm the air.

=>Is the sun warm the air ?

4.Bad student never works hard.

=>Bad student doesn't never work hard

=>Does the bad student never work hard ?

5.. It often rains in the summer.

=>It doesn't often rain in the summer.

=>Does it often rain in the summer ?

6..I always meet him on the corner of this street.

=>I doesn't  always meet him on the corner of the street.

=>Does you always meet hin on th corner of the street ?

7.Water boils at 100 defrees centigrade.

=>Water doesn't boil at 100 defrees cetigrade.

=>Does water boil at 100 defrees cetigrade ?

--------5 sao +CTLHN nhé(nếu hay)------------------------------------

Công thức thì HTĐ (V: tobe)

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

(-) S + am/is/are + not .. 

(?) Am/Is/Are + S + ... ? 

I + am

S số ít, he, she, it + is

S số nhiều, you ,we, they + are

Công thức thì HTĐ (V: thường)

S số ít, he, she, it 

(+) S + Vs/es

(-) S+ doesn't + V1 

(?) Does +S +V1?

S số nhiều, I, you, we, they

(+) S + V1 

(-) S+ don't + V1 

(?) Do + S+ V1? 

DHNB: always, usually, sometimes, often, never, seldom,....

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1. 

(-) He doesn't often go to school on foot.

(?) Does he often go to school on foot?

2.

(-) It doesn't rain very hard.

(?) Does it rain very hard?

3.

(-) The sun isn't warm the air.

(?) Is the sun warm the air?

4.

(-) Bad student doesn't work hard.

(?) Does bad student work hard?

5.

(-) It doesn't often rain in the summer.

(?) Does it often rain in the summer?

6.

(-) I don't always meet him on the corner of this street.

(?) Do you always meet him on the corner of this street?

7.

(-) Water doesn't boil at 100 degrees centigrade.

(?) Does water boil at 100 degrees centigrade?

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