5 tenses

Present tense
1. (+) I go to school every day
    (-) I don't go to school every day
    (?) Do I go to school every day???

2. (+) She speaks english very well
    (-) She doesn't speak english very well
    (?) Does she speak english very well??

Past tense
3. (+) We played football yesterday
    (-) We didn't play football yesterday
    (?) Did we play football yesterday??

4. (+) You went to Bandung last week
    (-) You didn't go to Bandung last week
    (?) Did you go to Bandung last week??

Past perfect tense
5. (+) Vito had helped Josh before you visited him
    (-) Vito hadn't helped Josh before you visited him
    (?) Had Vito helped Josh before you visited him??

6. (+) Josh had been helped by Vito
    (-) Josh hadn't been helped by Vito
    (?) What had been done by Vito??