Giúpppppppppppp emmm

`11.`

`(-)` He didn't eat breakfast.

`(?)` Did he eat breakfast?

`16.`

`(-)` It didn't work.

`(?)` Did it work?

`17.`

`(-)` I didn't hate telephone answering machines.

`(?)` Did you hate telephone answering machines?

`18.`

`(-)` Matthew wasn't good at basketball.

`(?)` Was Matthew good at basketball?

`19.`

`(-)` He didn't win that game.

`(?) Did he win that game?

`20.`

`(-)` We didn't travel by bus.

`(?)` Did we travel by bus?

`-------------`

$\text{*Structure: Past Simple:}$ (thì Quá khứ đơn)

`-` Đối với đt thường:

$\text{(+) S + Ved/V2 + ...}$

$\text{(-) S + did not + -bare + ...}$

$\text{(?) Did + S + V-bare + ...?}$

`-` Đối với đt tobe

$\text{+) S + was/were + ...}$

$\text{(-) S + was/were not + ...}$

$\text{(?) Was/were + + ...?}$

`-` `DHNB:` yesterday, ago, last night, last Sunday/Monday/Tuesday/...

`11`.

`(-)` He didn't eat  breakfast 

`(?)` Did he eat breakfast ? 

`16`. 

`(-)` It didn't work 

`(?)` Did it work ? 

`17`. 

`(-)` I didn't hate telephone answering machine 

`(?)` Did you hate telephone answering machine ? 

`18`. 

`(-)`  Matthew wasn't good at basketball.

`(?)` Was Matthew good at basketball?

 `19`. 

`(-)` He didn't win the game 

`(?)` Did he win that game?

`20`. 

`(-)`  We didn't travel by bus.

`(?)` Did we travel by bus?

`------------` 

`***` Thì Quá khứ đơn

`-` Với động từ thường 

`(+)` $S +V(ed-cột `2`) +...$

`(-)` $S + didn't + V-inf $ 

`(?)` $Did + S + V-inf ? $

`-` Với tobe : 

`(+)` $S + was /were + ...$

`(-)` $S + wasn't /weren't + $

`(?) ` $Was/Were + S + ....? $

Trong đó 

I/He/She/It/N số ít `+ ` was 

You/We/They/N số nhiều `+` were