You've got to know your area.

You've got to know your market, your area.

It has to be that way.

And the answer would appear to be yes, and the language would appear to be food.

The marshmallow has to be on top.

Always be on the alert!

So a function just has to be continuous.

You should be able to generate ATP.

It would have to be London, I suppose, and...

And as I said, the theory must be biologically accurate, it must be testable, and you must be able to build it.

And the fax said, there should be songs, there should be an I want song, there should be a happy village song, there should be a love story and there should be a villain.

She ought to be. The Kenton jewels are famous.

Achievements must match expectations.

J.K Rowling should be on that video.

You ought to be able to help us.

You should be ashamed of yourself!

You got to be careful when you run out in the road.

There must be an answer to everything.

And the fax said, there should be songs, there should be an I want song, there should be a happy village song, there should be a love story and there should be a villain.

You ought to be ashamed.

You've got be anxious.

You must be thirsty.

I commend your caution.

You know this one? The Shanghai Squeeze.

Not even once...

You must be patient.

It must be simply stunning.

Must be there.

You have to stay cool.

Yes, you must be.

Yes, they must be.

You need to be sure

She should be.

You must be crazy.

You should be glad!

It has to be tough.

You must be warm.

You ought to be my man.

And Major Lewis. Your Highness.

You must be quiet!

It must be here. Right over here.

Where is Ulysses?

Should you be able to buy a product that's sustainable sitting next to one that isn't, or should all the products on the shelf be sustainable?

Although it doesn't have to be oxygen.

Why does a girl have to be so silly to catch a husband?