Tolong yang jago bahasa inggris nomer 4

=> Answer :
4.) 
>> Present tense :
(+) My sister studies for the next day.
(-) My sister doesn't study for the next day.
(?) Does my sister study for the next day ?

>> Past tense :
(+) My sister studied for the next day.
(-) My sister didn't study for the next day.
(?) Did my sister study for the next day ?

>> Present perfect tense :
(+) My sister has studied for the next day.
(-) My sister has not studied for the next day.
(?) Has my sister studied for the next day ?

Maaf jika salah. Semoga membantu ^_^

PRESENT TENSE
+) My sister studies for the next day
-)  My sister doesn't study for the next day
?) Does my sister study for the next day?

PRESENT PERFECT TENSE
+) My sister has studied for the next day
-)  My sister hasn't studied for the next day
?) Has my sister studied for the next day?