You need to test more often when your child is sick.

So good, in fact, that I needed to test 4 of them.

Talk to your doctor about how often you need to be tested.

But time was passing, and he needed to test it.

I need you to test that there gun for me.

This really needs to be tested in a court of law.

You'd need to test it to get the rate of burning.

I needed to test drive my heart to see whether it had been destroyed.

We do not need to test the war powers in this way.

So you may need to test it with your device.