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Before we begin with the exercise, let's review. The ending -er is usually used to transform a verb into a noun. Work (v.) = worker (n.) But this is not true all the time. There are exceptions to this rule. Operate (v.) = operator (n.) Assist (v.) = assistant (n.) How are the verb doers form for the following verbs? edit walk see record love draw help use attend think count find question cook answer practice keep books ANSWERS editor walker seer recorder lover draw = draughtsman helper user attendant thinker counter or accountant finder questioner cook (not cooker; cooker is a machine) answerer practice = practicioner keep books = book keeper |