[辨析→明辨异同] used to do sth., be used to(doing) sth.与be used to do sth. used to
do sth. (过去)常常做某事 He used to work in Microsoft Corporation. 他以前在微软公司工作。 be used to (doing) sth. 习惯于;to是介词,后接动名词、名词作宾语。 He is used to living in the country. 他习惯住在乡下。 be used to do sth. 被用来做某事;to是不定式符号,后接动词原形。 Wood can be used to make paper. 木材可用来造纸。
②To take measures to avoid the bullet train accident is necessary for the government. →________________measures to avoid the bullet train accident. 答案:①It's careless of you to make ②It's necessary for the government to take
[归纳拓展] (1)本句使用了It is+adj.+to do sth.句型,其中的it为形式主语,真正的主语是不定式短语。 (2)句中的不定式的逻辑主语常见的有两种: (a)It is+adj.+for sb.+to do sth.在这个句型中,常见的形容词有:easy,difficult,hard,possible等。 (b)It is+adj.+of sb.+to do sth.在这个句型中,常见的形容词有:kind,nice,honest,foolish, rude,polite等。 基础知识巩固
6.I ________(conclusion) from what they said that they wanted to accept the offer. 7.This novel is an________(expand) of a short story he wrote about forty years ago. 8.The cooker isn't working because of an ________fault. The machine is driven by ________ motor.(electricity) 答案:1.balanced 2.reaction 3.Aimed 4.floating 5.Mixed 6.concluded 7.expansion 8.electric;electrical
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