Any attempt to trace the development from the noises babies make to their first spoken words leads to considerable difficulties. It is agreed that very enjoy making noises, and that during the first few months one or two noises sort them-selves out as particularly indicative of delight, distress.soc...
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In what way is the present time unusual in the history of Earth?特殊疑问句,如果疑问短语不是主语,就必须部分倒装。所以,系词is位于主语the present time之前,后面的形容词为表语。你应该能看出主系表结构的。否则你就不适合托福考试了。
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...he travels the fastest who travels alone.这是分隔式定语从句,who引导的定语从句修饰的是主语he. He who travels alone travels the fastest. 此处的he为不定代词,等于one.独自旅行的人旅行的最快。(即走完这段路所需的时间最短)。
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系动词必须接表语构成系表结构。表语有名词性表语和形容词性表语两类。名词、代词、动名词、不定式、名词性从句作表语属于名词性表语。形容词、分词、方位副词和个别从句做表语属于形容词性表语。记住表语是名词性结构和形容词性结构就行了。宾语和宾补的关系就相当于主语和表语的关系。
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不带 to 的不定式用于以下情况:1. 情态动词之后;2. 助动词do之后;3. 使役动词make,have,let和感官动词后的做宾语补足语时;4. 做表语,主语部分含有使役动词do时(不定式也可以带to,只不过不带to更常见);5. 作介词except,but的宾语,如果前面有实意动词do出现时;6. 在help后作宾语或宾补时(也可以带to);7. rat...
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