D. DU or DE? partitive article change

Question 1

i like coffee
i don’t like coffee

( i like the coffee)
(i dont like the coffee)

Answer 1

j’aime le cafe

je n’aime pas le cafe

Question 2

partitive articles - du, de la, d’, des - negative?

Answer 2

de, d’

Question 3

he’s buying (some) bread

he’s not buying any bread (he’s not buying of bread)

Answer 3

il achete du pain

il n’achete pas de pain

Question 4

i drink (some) water
i dont drink (any) water

Answer 4

je bois de l’eau

je ne bois pas d’eau