Sentence examples for must be using from inspiring English sources

The contact being called must be using Google Hangouts as well, and be logged in at the time the call.

I must be using the wrong reading room.

Users must be using XQuartz version 2.7.11 or newer.

"Behind my back people are saying I must be using something," Torres said.

"He told me, 'You must be using the power,' " she said, "what they always tell you".

They must be using their rifles as walking sticks by now.

The domain-name holder must be using the name in "bad faith".

"I've been in situations where someone will say, 'You must be using Viagra,' " said the gay Manhattan professional.

Force must be used.

But they must be used properly.

I believe that things must be used.