change the words in the bracket using simple tense A.sinta (wash) her clother twice a week (+) (-) (?) B.the cow's (eat) grass in the field everyday (+) (-) (?)

kalo gk salah :
sinta (wash) her clother twice a week
(+)sinta washes her cloher twice a week
(-) sinta doesn't wash her clother twice a week
(?)Does sinta wash her clother twice a week ??

the cow's (eat) grass in the field everyday
(+)the cow's eats grass in the field everyday
(-) the cow's doesn't eats grass in field everyday 
(?) Does the cows eat grass in the field everyday ??

(+) sinta always wash her clothes twice a week
(-) sinta never wash her clothes twice a week
(?) are shinta wash her clothes twice a week?
B. (+) the cows always eat grass in the field everyday
(-) the cows never eat grass in the field everyday
(?) are the cows eat grass in the field everyday

semoga jawabannya betul