YOU SAID:
This is a test you should be quiet
INTO JAPANESE
これはあなたが静かにすべきテストです
BACK INTO ENGLISH
This is a test you should keep quiet
INTO JAPANESE
これはあなたが静かにする必要があるテストです
BACK INTO ENGLISH
This is a test you need to be quiet
INTO JAPANESE
これはあなたが静かにする必要があるテストです
BACK INTO ENGLISH
This is a test you need to be quiet
That didn't even make that much sense in English.