(A) Change this sentence in simple perfect tense (1) my sister bought diamond. (B) write these sentence in present perfect tense (1) I finish studying for the test. (2) my friend past her exam (3) Amy lives in the same house since she was borne.

(A) my sister has bought diamond

(B) (1) I have finished studying for the test

(2) my friend has passed her exam

(3) Amy has lived in the same house since she was born

1- cleans/ tidies up

2- were

3-would be

4- had known

5-takes

6-must be/ have to be/should be

don't enter the room

explanation:

or you can just ask him to move away from his house