Extraposition of Clausal Object

We create extraposition of the object clause by ... and ....

• replacing the object clause by the anticipatory-it

• postponing the object clause to a later position in the sentence

• fronting the object cause

• leaving out the object clause from the sentence

Rewrite the sentence so that it has an extraposed object clause:

You must consider playing tennis very difficult.

• Playing tennis you must consider very difficult.

• You must consider it very difficult playing tennis.

• You must consider very difficult playing tennis.

The extraposition of the clausal object is obligatory when the object is...

• an -ing clause

• a to-infinitive clause

• a that-clause

In which of these sentences we can get rid of the extraposition of the object clause?

• I leave it to you to decide which offer to take.

• I blame it on him that we were late for the concert.

• You must find it challenging competing with so many people.

Which of the sentences shows extraposition of the clausal object?

• They owe it to their hard work that they managed to get the concract.

• It is because of their hard work that they managed to get the cocract.

• They managed to get the concract, because they worked hard.

• They owe managing to get the contract to their hard work.