giúp mình câu 123 với

`1.`

`1.`was

`2.`were

`3.`were

`4.`were

`5.`were

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

`2.` 

`1.` wasn't

`2.` wasn't 

`3.` weren't 

`4.`wasn't

`5.`weren't

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

`3.`

`1.`Was-was

`2.`Were-weren't

`3.`Was-wasn't

`4.`Were-were

`5.`Were-weren't

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

`@` Công thức :

I/He/She/It/Chủ ngữ ngôi số ít + was

You/We/They/Chủ ngữ ngôi số nhiều + were

`( + )` S + tobe + ...

`(  - )` S + tobe-not + ...

`( ? )` tobe + S + ...?

`=>` Yes, S + tobe

`=>` No, S + tobe-not

`#TN`