Passive voice - different tenses

Identify the tense of the sentence:

Emails are sent to all the workers.

• Present simple

• Present perfect

• Past perfect.

Identify the tense of the sentence:

A video was made to help us understand the new rules.

• present simple

• past simple

• past perfect

Identify the tense of the sentence:

The Great Wall of China has been visited since the 15 century!!

• present perfect

• past perfect

• past simple

Identify the tense in the sentence.

The time of the press conference will be anounced later on.

• Future

• Past simple

• present

Identify the tense of this sentence.

New information is being sent to you as we speak.

• present perfect

• present continuous

• present simple

Identify the tense of this sentence:

That reference letter was written in her presence.

• past simple

• past perfect

• past continuous

Identify the tense in this sentence:

She had been warned about the computer virus.

• past simple

• past perfect

• present perfect

Identify the correct tense of this sentence:

Information on the virus is going to be analysed.

• Future with will

• Future with going to

• present continuous