单词：predicate of n variables
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Exercise 1-47: Regular Transitions of Adjectives and Verbs A different change occurs when you go from an adjective or a noun to a verb. The stress stays in the same place, but the -mate in an adjective is completely reduced [-m't], whereas in a verb,
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Grammar Girl here. Today guest-writer Bonnie Trenga will help us talk about tricky sentences that make you question whether you should use a singular or plural verb. Today were talking about a tricky kind of sentence that causes you to make a mistake
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This is the VOA Special English Economics Report. Economists usually study markets. Now, two Americans have won the Nobel Prize in economics for not studying markets. They will share almost one and a half million dollars for their analysis of econom
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Studying Sentence Patterns to Improve Your Writing: Part One Many English learners have spent a lot of time studying the parts of speech: adjectives, nouns and verbs, for example. But sometimes studying the English sentence from a larger perspective
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