This is a test of your understanding of the correct use of the -ed form of verbs. Put the correct form of the words in brackets in the spaces below. Click [Score me] to see your score.

Plagiarism is (define) as reproduction and presentation of the work of others without acknowledgement.The most easily (detect) examples of plagiarism (occur) when a major segment of another's work is (submit) to an examiner widely (read) in the field. Lesser levels of plagiarism (occur) through (present) as novel the ideas of others but (paraphrase) the words (use) in the original text.