Công thức thì QKĐ (V: to be)

(+) S + was/were + ... 

(-) S + was/were + not ... 

(?) Was/Were + S ... ? 

S số ít, I, he, she, it + was

S số nhiều, you, we ,they + were

------------------------------------------------

EX1:

2. were

3. was

4. were

5. were

6. was 

EX2:

2. wasn't

3. weren't

4. weren't

5. weren't 

6. wasn't 

EX3:

2. A

4. A

5. B

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$\text{Đáp án + Gthich}$

`Ex1:` 

`1`. were `->` was

`2`. was `->` were

`3`. were `->` was

`4`. was `->` were

`5`. was `->` were

`6`. were `->` was

`-` N(số ít) + was + V(bare) + O

`-` N(số nhiều) + were + V(bare) + O

`-------`

`Ex2:`

`1`. wasn't

`2`. wasn't

`3`. weren't

`4`. weren't

`5`. weren't

`6`. wasn't

`-` N(số ít) + wasn't + V(bare) + O

`-` N(số nhiều) + weren't + V(bare) + O

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

`Ex3:`

`1.B`

`2.A`

`4.A`

`5.B`

`1.B`

`-` N(số ít) + was/wasn't

`-` N(số nhiều) + were/weren't

$\color{pink}{\text{Rosie256}}$