Alternatives to "If"

Most people you meet will be polite to you ____ you are polite to them.

• even if

• providing

Our kids are allowed to watch television after dinner ____ they have finished their homework. Homework must come first.

• even if

• only if

My sister can fall asleep under any conditions, but I can't get to sleep ___ the light is off and the room is perfectly quiet.

• unless

• only if

There can be peace in the world ____ all nations sincerely lend their energy to that effort.

                                                     

• even if   

• only if

You are allowed to go  ____ you let us know when you arrive.

• in case

• as long as

Here are the keys to the garage ____ I forget later.

• only if

• in case

I won't be involved in this project ____ you assure me that we won't be violating any laws.

• unless

• in case

You can play in the living room _____ you don't make too much noise.

• as long as

• unless

_____ you finish filing all those documents Ms.Carter, you can leave early today.

• Even if

• Providing

Before we leave, we’d better turn on the automatic watering system

.     

• in case it doesn’t rain while we’re away.

• if it doesn’t rain while we’re away.