Sentence examples for must be checking from inspiring English sources

"They must be checking our cat door," he said.

He must be checked.

But every one must be checked out.

All firearms, firearm parts and ammunition must be checked.

The proportions must be checked and sometimes modified during printing.

STROLLER GATE CHECK Yes, except large, noncollapsible strollers, which must be checked at the ticket counter.

STROLLER GATE CHECK Yes, except for noncollapsible strollers, which must be checked at the ticket counter.

Then renters must be checked in and out, and the houses must be cleaned and checked for damage.

Cellphones must be checked at the door, where they'll "sleep" in miniature sleeping bags.

Before a tank is filled with sand, gravel or foam, it must be checked for leaks.

Bigger dogs must be checked as luggage, a prospect that turns many owners off.