=>

2. (-) My sister's hobby isn't arranging flowers.

(?) Is your sister's hobby arranging flowers?

3. (-) Listening to music in my free time isn't my favourite hobby.

(?) Is listening to music in your free time your favourite hobby?

4. (+) My favourite hobby is watching the gold fish in the tank.

(?) Is your favourite hobby watching the gold fish in the tank?

5. (+) My family and I watch TV every morning.

(?) Do your family and you watch TV every morning?
Thì HTTD

(+) S is/am/are Ving

(-) S isn't/am not/aren't Ving

(?) Is/Am/Are S Ving?

Thì HTĐ

Với động từ tobe:

(+) S is/am/are...

(-) S is/am/are not...

(?) Is/Am/Are S...?

Với động từ thường:
(+) S Vs/es

(-) S doesn't/don't V

(?) Does/Do S V?