bantuii donk, terimakasihhhhhhhhhh

6.I:she will play piano if she knows how to play it
II: she would play piano if she knew how to play it
III:She would have played piano if she had known how to play it
7.I if i get a permanent job, i will move to the big city
II: if i got a permanent job, i would move to the big city
III:if i had got/gotten a permanent job, i would have moved to the big city
8.I:if you dont close the Window, someone will enter your house
II:If you didn't close the Window, someone would enter your house
III:if you hadn't closed the window, someone would have entered your house
9.I:i will go to Australia if i have much money
II:i would go to Australia if i had much money
III:i would have gotten to Australia if i had had much money
10.I:if he is at home he will help you
II:if he was at home he would help you
III:if he had been at home he would have helped you

Semoga benar