1.(-) She wasn’t my boss

(?) Was she your boss?

2.(+) I was at the concert last Sunday 

(?) Was you at the concert last Sunday ?

3.(+) I bought clothes in this clothes shop 

(-) I didn’t buy clothes in this clothes shop 

4. (+)They were born in Korea

(-) They weren’t born in Korea

5. (-) We didn’t swim in the lake

(?) Did they swim in the lake?

6.(-) We weren’t at the gym last week 

(?) Were they at the gym last week ?

6.(+) She went to her office by car

(?) Did she go to her office by car?

1

(+) She was my boss.

(-)She wasn't my boss.

(?)Was she my boss? 

2

(-) I wasn't at the concert last Sunday.

(+)I was at........

(?)Was you at.....

3

(?) Did you buy clothes in this clothes shop?

(+)I bought clothes....

(-)I didn't buy clothes....

4

(?) Were they born in Korea?

(+) They were born in Korea

(-) They weren't born in Korea

5

(+)we swam in the lake

( -) We didn't swim in the lake

(?) Did we swim in the lake

6

(+)we were at the gym last week

(-) We weren't at the gym last week

(?) Were we at the gym last week

7

(-)she didn't go to her office by car

(+) She went to her.....