—What’s made Mr. Grey so sad?—_____ three tickets to the pop art exhibition.

Whom do you think Mary will _________ into the matter instead of her?   

---Is there any possibility of _______ the match?  ---I’m not sure.

The boy was beaten by his stepmother, tears _______ down his cheeks quietly. 

These diagrams are especially helpful when we have a concrete problem ______ at hand.