سؤال 36

Select all that apply: Which sentences correctly use the past perfect passive before a stated past event?

The stock had checked before the shop opened.
Her passport had been stamped before she boarded.پاسخ درست
The barriers had been installed before the parade began.پاسخ درست
The microphone had been test before the broadcast.

توضیح

The passport and barriers sentences both use had been plus a participle to show earlier passive completion. The stock sentence lacks been, while the microphone sentence has a base form instead of a participle.

توضیح

ادامهٔ این آزمون