语法 > 初阶2
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主格、宾格代词，所有格和形容词 Subject and object pronouns, possessive pronouns and adjectives
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第一条件和将来时从句 First conditional and future time clauses
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应该，不应该 should, shouldn’t
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必须，不一定；必须，不允许 have to, don’t have to, must, mustn’t
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英语中go的用法 How to use the verb ‘go’ in English
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动词不定式和动名词 Infinitives and gerunds – verb patterns
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最多，大多数，最 most, most of, the most
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数量词 much, many, little, few, some, any – quantifiers
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太，太多，足够 too, too much, too many, enough
