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016749查看 016749 在百度字典中的解释百度英翻中〔查看〕
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    Copyright © 2015 Open Education LLC All rights reserved The Open English name and the Open English logo are registered trademarks
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    Access your Open English certificate view without logging in
  • Reciprocal pronouns
    To show that two people, represented by a single grammatical subject, are acting on each other, one uses the reciprocal pronouns " one another " or " each other "
  • Modal verbs - Open English
    Modal verbs are auxiliaries, or "helping" verbs: they are used in conjunction with another verb (in infinitive form) as a way to modify its meaning Modals can nuance the meaning of the principal verb in a number of ways: – Possibility or ability, by "can" or "could"
  • Present perfect - Open English
    General principles The present perfect describes an action or emotion which began in the past and which continues in the present It is formed by using the auxilary " to have " with the participle:
  • Superlatives - Open English
    General principles When comparing two things one uses the comparative; however, for comparisons in larger groups, it is the superlative which must be used The superlative designates extremes: the best, the first, the worst, the last, etc The superlative operates like the comparative, with these exceptions:
  • Simple present (indicative) - Open English
    The simple present is used to express actions which take place in the present or which occur regularly It also serves to express general or absolute statements not anchored in a particular time frame





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