You __________be tired—you’ve only been working for an hour.

They believed that production in their factory by bringing in the latest equipment from abroad

Joe just wanted to play a joke on her. He did not mean ____ Sarah.

who______it be that is knocking at the door? —It_______be Father, but I’m not sure.

_________ does your father look—- He looks very tall and strong. He______ a sportsman.