1. (+) my grandmother loves playing the piano

(-) my grandmother doesn't love playing the piano

(?) does my grandmother love playing the piano ?

2. (+) the boys always join english course on friday

(-) the boys doesn't alway join english course on friday

(?) does the boys alway join english course on friday ?

3. (+) mike usually drinks milk before he goes to bed

(-) mike usually doesn't drink milk before he goes to bed

(?) does mike usually drink milk before he goes to bed ?

4. (+) the students have a flag ceremony at the school field

(-) the students don't have a flag ceremony at the school field

(?) do the students have a flag ceremony at the school field ?

5. (+) valerie tidies up her bed every morning

(-) valerie doesn't tidi up her bed every morning

(?) does Valerie tidi up her bed every morning ?