Advanced passive forms- Proficiency C2-2 -SPEAK OUT UNIT 3B

Change the active to the passive

1. shakespeare wrote that play

That play (a)   by Shakespeare

Answer explanation

Past Simple

Active - wrote

Passive - was written

Change the active to the passive

2. Bill will invite Ann to the party

Ann (a)   by Billy to the party

Answer explanation

Future

Active -will invite

Passive - will be invited

Change the active to the passive

3. Alex is preparing that report.

That report (a)   by Alex.

Answer explanation

Present Continuous

Active - is preparing

Passive - is/are being preparing

Change the active to the passive

5. Two horses were pulling the farmer's wagon

The farmer's wagon (a)   by two horses.

Answer explanation

Past Continuous

Active - were pulling

Passive - was being pulled

Change the active to the passive

6. Kathy had returned the book to the library.

The book (a)   to the library by Kathy

Answer explanation

Past Perfect

Active - had returned

Passive - had been returned

Form the passive, using the it + passive verb + that structure:

They believed that tomatoes were poisonous.

(a)  

Form the passive, using the it + passive verb + that structure:

People say eating too much junk food is bad for you.

(a)  

Answer explanation

In this structure, if that is followed by a verb, the verb is generally a gerund (-ing) - eating.

Form the passive, using the it + passive verb + that structure:

They thought eating honey cured hay fever.

(a)  

Form the passive, using the there + passive verb + to be / to have been structure:

They think that there are about 5,200 varieties of potato.

(a)  

Answer explanation

Which one to choose: to be or to have been? This structure will contain to verbs: the first one must go into the passive as normal (think - are thought). Now, look at the second verb - are. It's in a present tense, so we'll go with to be. Had it been were, we would have chosen to have been to match the past tense.

Form the passive, using the there + passive verb + to be / to have been structure:

It is known that there were early human settlements near natural salt deposits.

(a)