Adverb clauses of condition

Use even if or whether or not in an adverb clause to express:

• The fact that a certain condition is necessary

• The consequence of an action or lack of action

• The fact that no matter what the condition

• Regret or relief

You have to apologize to your sister ______ you want to do it or not.

• Only if

• Otherwise

• if only

• whether or not

Even__________, I'm going to Newport Beach.

• if the weather is cold

• if the weather cold is

• the weather is cold

• if the cold weather is

You will never understand this grammar _________ Yvonne helps you.

• only if

• unless

• whether

• otherwise

Unreal conditional with if only expresses

• A wish for a particular condition or strong regret

• The consequence of an action or lack of action

• The fact that a certain condition is necessary

• The fact that no matter what the condition

WHICH OF THE FOLLOWING COUNTRIES DO NOT HAVE HUGE RESERVES OF PETROLEUM AND NATURAL GAS.

• IRAN

• IRAQ

• SAUDI ARABIA

• CHINA

Only if it rains continuously for three hours _________the baseball game.

• the officials will cancel

• will cancel the officials

• will the officials cancel

• the officials cancel

___________ he earns a lot, he won't buy this house.

• Only if

• Even if

• Whether

• I don’t know

He needs to write himself a note. ________, he will forget to pay Colombo's bill.

• Even if

• Only if

• Unless

• Otherwise

What is the Channel Tunnel?

• a famous bridge in London

• a tunnel under the sea that links Britain and France

• a tunnel between Cambridge and Oxford

• the longest road in Britain