Make sure you are comparing two similar
things.
Faulty: Penny’s
phone bill is bigger than Duncan.
In the problem sentence above, the writer means to
compare Penny’s phone bill to Duncan’s phone bill, but she winds
up comparing the phone bill to Duncan. Make sure you compare object
to object.
clear: Penny’s
phone bill is bigger than Duncan’s phone bill.
Undesirable: Trina
goes to the ballet less than Roger.
In the problem sentence about Trina’s ballet-viewing
habits, going
to the ballet is compared to Roger. Make sure you compare action
to action.
clear: Trina
goes to the ballet less often than Roger does.
