`5.`

`(-)` he doesn't have breakfast at 6.30

`(?)` does he have breakfast at 6.30?

`6.`

`(-)` he doesn't get up at 9.00 every morning

`(?)` does he get up at 9.00 every morning?

`7.`

`(-)` mary and peter don't go to work every day.

`(?)` do Mary and peter go to work every day?

`8.`

`(-)` we don't have dinner at 8p.m

`(?)` do we have dinner at 8.pm

_________________

`+` cấu trúc câu phử định, khẳng định, câu hỏi ở thì hiện tại đơn:

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

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

`(?)` do/does+S+V(nguyên mẫu)

1. (-)He does not have breakfast at 6:20 ( nghi vấn ) Does he have breakfast at 6:20 2. (-) he does not gets up at 9.00 every morning ( nghi vấn ) does he gets up at 9.00 every morning