If or Whether

............she fails, it will destroy her.

• If

• Whether

• Whether or not

I am going to complain.......... the referee is right.

• If

• Whether

• Whether or not

.......she plays is irrelevant.

• If

• Whether

• Whether or not

I have been wondering..........to build my own house.

• If

• Whether

• Whether or not

The game will be abandoned...... it snows

• If

• Whether

• Whether or not

Its longevity may depend on......it starts to lay eggs.

• if

• whether

• Whether or not

........to run or hide is a dilemma I face on a daily basis.

• If

• Whether

• Whether or not

Go to the party ............ you must.

• If

• Whether

• Whether or not

We'll be in the pub ................ Newcastle win.

• Whether

• Whether or not

• If

I don't think much about .......... fans will remember me.

• If

• Whether

• Whether or not