From active to passive voice - exercises

Change the active phrases into passive ones, using the Single Present Tense.
Example: Cennet plays the guitar. ➨ The guitar is played by Cennet.
Do exercise 7.

Change the active phrases into passive ones, using the Single Past Tense.
Example: Cennet played the guitar. ➨ The guitar was played by Cennet.
Do exercise 8

After that change the active phrases into passive ones, using the Present Perfect Tense.
Example: Cennet has played the guitar. ➨ The guitar has been played by Cennet.
Do exercise 9.

And change the active phrases into passive ones, using the Past Perfect Tense.
Example: Cennet had played the guitar. ➨ The guitar had been played by Cennet.
Do exercise 10.