1. (+) we are working on english test

(-) we are not working on english test

(?) are we workong on english test?

2. (+) Last night at 7.00 I was watching TV

(-) Last night at 7.00 I wasn't watching TV

(?) did i watching TV last night at 7.00 ?

3. (+) Mr Jhon has been visiting the museum for 3 hours

(-) Mr Jhon didn't visit the museum for 3 hours

(?) did Mr Jhon visited the museum for 3 hours?

4. (+) They have been building their house since 1990

(-) They haven't built their house since 1990

(?) did They been building their house since 1990 ?

5. (+) My mom has been cooking breakfast for 1 hour in the kitchen

(-) My mom doesn't cook breakfast for 1 hour in the kitchen

(?) did my mother cooked breakfast for 1 hour in the kitchen?

maaf bila ada kesalahan ya!! tetap semangat