specialize<\/span><\/li>\n<\/ul>\nCommon Suffixes to Form Adverbs<\/h2>\n
Most adverbs are formed by adding -ly<\/span> to an adjective.<\/p>\n\n- -ly:<\/span> quick<\/span> → quickly<\/span>, careful<\/span> → carefully<\/span>, easy<\/span> → easily<\/span><\/li>\n<\/ul>\n
Be careful: some words ending in -ly<\/span> are adjectives, like friendly<\/span> or lovely<\/span>. For these, you might need a phrase like in a friendly way<\/span> to make an adverbial meaning.<\/p>\nCommon Prefixes to Change Meaning<\/h2>\n
Prefixes usually change the meaning of a word, often making it negative or indicating a different action, but typically keep the same part of speech.<\/p>\n
\n- un-:<\/span> happy<\/span> → unhappy<\/span>, lock<\/span> → unlock<\/span><\/li>\n
- dis-:<\/span> agree<\/span> → disagree<\/span>, honest<\/span> → dishonest<\/span><\/li>\n
- re-:<\/span> write<\/span> → rewrite<\/span>, build<\/span> → rebuild<\/span><\/li>\n
- pre-:<\/span> view<\/span> → preview<\/span>, paid<\/span> → prepaid<\/span><\/li>\n
- mis-:<\/span> understand<\/span> → misunderstand<\/span>, lead<\/span> → mislead<\/span><\/li>\n
- in- \/ im- \/ il- \/ ir-:<\/span> (negative prefixes) complete<\/span> → incomplete<\/span>, possible<\/span> → impossible<\/span>, legal<\/span> → illegal<\/span>, regular<\/span> → irregular<\/span><\/li>\n<\/ul>\n
Words That Change Class Without Affixes<\/h2>\n
Sometimes, a word can belong to different grammatical classes without adding any prefixes or suffixes. You need to understand the context to know its function.<\/p>\n
\n- Light:<\/span> Can be a noun (turn on the light<\/span>), an adjective (a light jacket<\/span>), or a verb (light a candle<\/span>).<\/li>\n
- Run:<\/span> Can be a verb (I run every day<\/span>) or a noun (I went for a run<\/span>).<\/li>\n
- Experiment:<\/span> Can be a noun (a scientific experiment<\/span>) or a verb (we will experiment with new ideas<\/span>).<\/li>\n<\/ul>\n
Paying attention to the sentence structure helps you identify the correct part of speech.<\/p>\n
\nCommon Word Families<\/caption>\n\n\n| Base Word<\/th>\n | Noun<\/th>\n | Verb<\/th>\n | Adjective<\/th>\n | Adverb<\/th>\n<\/tr>\n<\/thead>\n |
\n\n| create<\/span><\/td>\n | creation \/ creativity \/ creator<\/span><\/td>\n | create<\/span><\/td>\n | creative<\/span><\/td>\n | creatively<\/span><\/td>\n<\/tr>\n\n| inform<\/span><\/td>\n | information<\/span><\/td>\n | inform<\/span><\/td>\n | informative \/ informed<\/span><\/td>\n | informatively<\/span><\/td>\n<\/tr>\n\n| happy<\/span><\/td>\n | happiness \/ unhappiness<\/span><\/td>\n | -<\/span><\/td>\n | happy \/ unhappy<\/span><\/td>\n | happily \/ unhappily<\/span><\/td>\n<\/tr>\n\n| develop<\/span><\/td>\n | development<\/span><\/td>\n | develop<\/span><\/td>\n | developing \/ developed<\/span><\/td>\n | -<\/span><\/td>\n<\/tr>\n\n| care<\/span><\/td>\n | care \/ carefulness \/ carelessness<\/span><\/td>\n | care<\/span><\/td>\n | careful \/ careless<\/span><\/td>\n | carefully \/ carelessly<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nExamples<\/h2>\n\n- The development<\/span> of new technology is very fast.<\/span><\/li>\n
- She made a decision<\/span> to study abroad.<\/span><\/li>\n
- His unhappiness<\/span> was clear to everyone.<\/span><\/li>\n
- The weather was unpredictable<\/span> during our trip.<\/span><\/li>\n
- Please simplify<\/span> the instructions for me.<\/span><\/li>\n
- They reacted angrily<\/span> to the news.<\/span><\/li>\n
- It's impossible<\/span> to finish this work today.<\/span><\/li>\n
- We need to reorganize<\/span> the office.<\/span><\/li>\n<\/ul>\n
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