Preffixes and suffixes
I took an exam where there was a question which asked what was the word with the same function and was formed by the same procces that "undesirable". I selected "unhealthily", but the correct answer was "unnecessary". Someone can help me to understand my mistake and to explain me a little about preffixes and suffixes? Thanks!

Question

Answer

I just attached a link where you will find clear explanations and you may practice spelling rules with prefixes and Suffixes: https://www.dlsweb.rmit.edu.au/lsu/content/4_WritingSkills/writing_tuts/spelling_LL/rules3.html

Answer

Cara Gabriela, é importante lembrar que os prefixo e sufixo tem funções de modificação nas palavras. Os prefixos vão antes e os sufixos vão para o final das palavras. Eu estou enviarndo dois links abaixo onde você vai encontrar links de PDF com os significados gramaticais desses componentes. Além disso, no caso de "UNDESIRABLE" deve analisá-lo a partir  de "Desirable" versus "Necessary" se você perceber estas palavras são sinônimos. "Healthy" não é sinônimo de "Desirable". Por esta razão, você deve guiar sua atenção mais no sinônimo e, em seguida, adicionar o prefixo ou sufixo (para este caso particular): http://teacher.scholastic.com/reading/bestpractices/vocabulary/pdf/prefixes_suffixes.pdf        /        http://eps.schoolspecialty.com/downloads/articles/Prefix-SuffixWordList.pdf

Answer

Adding un simply gives an opposite meaning. Unnecessary and undesirable are not the same. I would need to see the exact wording of the question to comment further.

Answers · 3

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