摘要:(1) 现在完成时中的for和since for和since是现在完成时重要的标志.这两个词区别在于:for后接表示一段时间的状语,since后接表示一个时间点的状语. He has been a teacher for three years. He has been a teacher since 2003. 用介词“for+一段时间 时.谓语动词要用延续性动词.不可用非延续性动词. He has lived here for three year. 不可说:He has moved there for three years. (2) 形式主语it 在it’s easier to learn a foreign language when you visit the country中.it是形式主语.真正的主语是后面的不定式.这是“it+形容词+to do 的句型. It is important to study English. It is difficult for some foreigners to study Chinese. (3) get on well with get on/along well with表示“和某人相处很好 .可以用how来提问.Get on with sth.还有“--怎么样 的意思. -How are you getting on with your classmates? 你和你班的同学相处如何? -Quite well. 很好. How are you getting along with your study? 你学习怎么样? (4) 数字的读法 读数字时.要注意以下几点: ①只有百和十位数之间有and连接. ②读比较长的数字时.先用逗号从后面开始把每三位数隔开,读一个成百的数字.然后在后面加thousand, million等即可. 234453667→234,453,667→two hundred and thirty four million, four hundred and fifty three thousand, six hundred and sixty seven 130458967500→130,458,967,500→one hundred and thirty billion, four hundred and fifty eight million, nine hundred and sixty seven thousand, five hundred

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