`-` Thì QKD với Tobe:

`( + )` S (số ít + I, he,she,it) + was+ N/adj/... + O

S (số nhiều + you, we, they) + were + N/adj/... + O

`( - )` S (số ít + I, he, she, it) + wasn't + N/adj/... + O

S (số nhiều + you, we, they) + weren't + N/adj/... + O

`( ? )` Was+ S (số ít + I, he, she, it) + N/adj/... + O?

Were + S (số nhiều + you, we, they) + N/adj/... + O?

`1. ( - )` She wasn't tired last night.

`( ? )` Was she tired last night?

`2. ( - )` I wasn't in London last month.

`( ? )` Was you in London last month?

`3. ( - )` They weren't at Nina's house yesterday.

`( ? )` Were they at Nina's house yesterday?

`4. ( - )` She wasn't with him yesterday.

`( ? )` Was she with him yesterday?

`5. ( - )` Tom wasn't at school last Monday.

`( ? )` Was Tom at school last Monday?

`-` Thì QKĐ:

`@` động từ tobe:

`(+)` S+ was/ were+ adj/ N

`(-)` S+ was/ were+ not+ adj/ N

`(?)` Was/ Were+ S+ adj/ N+...`?`

`-` Chủ ngữ số nhiều dùng "were"

`-` Chủ ngữ số ít dùng "was"

`1`.

`(-)` She wasn't tired last night

`(?)` Was she tired last night`?`

`2`.

`(-)` I wasn't in London last month.

`(?)` Was I in London last month`?`

`3`. 

`(-)` They weren't at Nina's house yesterday.

`(?)` Were theu at Nina's house yesterday`?`

`4`.

`(-)` She wasn't with him yesterday.

`(?)` Was she with him yesterday`?`

`5`. 

`(-)` Tom wasn't at school last Monday.

`(?)` Wá Tom at school last Monday`?`