ubah ke present tense + - ?

6.
+The students entered to zoo ten minutes ago
-The students didn't enter to the zoo ten minuyes ago
? Did the students enter to the zoo ten minutes ago?

7.
+ My teacher bought a new book yesterday.
- My teacher didn't buy a new book yesterday.
? Did my teacher buy anew book yesterday?

8.
+ My brother won game last march
- My brother did not win game last march
? Did my brother win game last march?

9.
+Mr. Parker has a cup of coffee this morning
- Mr. Parker has not a cup of coffee this morning
? Has Mr. Parker a cup of coffee this morning?

10.
+ My brother rode a motorcycle three weeks ago
- My brother did not ride a motorycle three weeks ago
? Did my brother ride a motorcycle three weeks ago?