PRESENT PERFECT TENSE

Learn the concept.
Observe the picture.
 

PASSIVE
The ball was hit by the girl.
(passive)

The ball hit the girl.
(active)

Look at the sentences.
The ball was hit by the girl.


Sentence from picture A is called as a passive voice or
 a passive sentence.


Observe the examples!
The office is cleaned every day
The office was cleaned yesterday
Compare active and passive:
Somebody cleans the office every day (active)
The office is cleaned everyday (passive)
Somebody cleaned the office yesterday (active)
The office was cleaned yesterday (passive)
Here is the structure of passive voice:
Affirmative:
Example: This item is called an Angklung
Crackers are fried in very hot sand.


Negative :

Example: This item is not called an electric guitar
Crackers are not fried in oil.

Question:
Example: Is that made in Indonesia?
What is this item called in your country?