`\text{1. }`

(-) They don't often go fishing in the spring

(+) Do they often go fishing in the spring?

$\text{2. }$

(-) My mother doesn't like beef and chicken

(?) Does your mother like beef and chicken?

$\text{3. }$

(-) He doesn't water the flowers every morning

(?) Does he water the flowers every morning?

$\text{4. }$

(-) Lan and Nga aren't cleaning the room now.

(-) Are Lan and Nga cleaning the room now?

$\text{5. }$

(-) The children aren't planting trees at present

(?) Are the children planting trees at present?

$\text{6. }$

(-) You don't fly a kite every afternoon

(?) Do you fly a kite every afternoon?

- Cấu trúc hiện tại đơn:

+ ĐỘNG TỪ THƯỜNG:

(+) He/ she/it/ Danh từ số ít+ V(s/es)

      I/we/ you/ they/ Danh từ số nhiều+ V(inf)

(-) He/ she/it/ Danh từ số ít+doesn't+ V(inf)

      I/we/ you/ they/ Danh từ số nhiều+don't+ V(inf)

(+) Does+ he/ she/it/ Danh từ số ít+ V(inf)?

      Do+ I/we/ you/ they/ Danh từ số nhiều+ V(inf)?

- Cấu trúc hiện tại tiếp diễn: 

(+) I+ am+ Ving

      He/ she/it/ Danh từ số ít+ is+ Ving

      We/ you/ they/ Danh từ số nhiều+are+ Ving

(-)  I+ am not+ Ving

      He/ she/it/ Danh từ số ít+ isn't+ Ving

      We/ you/ they/ Danh từ số nhiều+aren't+ Ving

(?)   Am+ I+ Ving?

      Is+ he/ she/it/ Danh từ số ít+ Ving?

      Are+ we/ you/ they/ Danh từ số nhiều+ Ving?

$\textit{# Themoonstarhk}$

`-` Thì HTĐ ( PĐ - NV ) :

`+` PĐ : S + don't / doesn't + V

`+` NV : Do / Does + S + V `?`

`=>` `DHNB` : usually , always , often , ...

`-` Thì HTTD ( PĐ - NV ) :

`+` PĐ : S + isn't / 'm not / aren't + V-ing

`+` NV : Is / Am / Are + S + V-ing ?

`=>` `DHNB` : now , at the moment , at present , ...

`1`.

`( - )` They don't often go fishing in the spring

`( ? )` Do they often go fishing in the spring ?

`2`.

`( - )` My mother doesn't like beef and chicken

`( ? )` Does my mother like beef and chicken ?

`3`.

`( - )` He doesn't water the flowers every morning

`( ? )` Does he water the flowers every morning ?

`4`.

`( - )` Lan and aren't cleaning the room now

`( ? )` Are Lan and Nga cleaning the room now ?

`5`.

`( - )` The children aren't planting trees at present

`( ? )` Are the children planting trees at present ?

`6`.

`( - )` You don't fly a kite every afternoon

`( ? )` Do you fly a kite every afternoon ?

`\text{# TF}`