`1.` We go for a walk on Sundays.

`(-)` We don't go for a walk on Sundays.

`(?)` Do we go for a walk on Sundays?

`2.` He is reading now.

`(-)` He isn't reading now.

`(?)` Is he reading now?

`3.` She brushes her teeth every day.

`(-)` She doesn't brush her teeth every day.

`(?)` Does she brush her teeth every day?

`4.` They are looking for a job.

`(-)` They aren't looking for a job.

`(?)` Are they looking for a job?

`5.` I play computer games after school.

`(-)` I don't play computer games after school.

`(?)` Do you play computer games after school?

`-` I `->` You

`***` Hiện tại đơn

`(+)` S + V(s/es)

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

`(?)` Do/Does + S + V?

`***` Hiện tại tiếp diễn

`(+)` S + is/am/are + V-ing

`(-)` S + isn't/am not/arent't + V-ing

`(?)` Is/Am/Are + S + V-ing?

$\color{#99CCCC}{eeseooes}$

`1.`

`( - )` We don't go for a walk on Sundays

`( ? )` Do you go for a walk on Sundays?

`2.`

`( - )` He isn't reading now

`( ? )` Is he reading now?

`3.`

`( - )` She doesn't brush her teeth every day

`( ? )` Does she brush her teeth every day?

`4.` 

`( - )` They aren't looking for a job

`( ? )` Are they looking for a job?

`5.`

`( - )` I don't play computer games after school

`( ? )` Do you play computer games after school?