2020中考英语考前错题本ampnbsp（U字母篇）

　　XX中考英语考前错题本 （u字母篇）
　　under
　　 　［误］ the lake is two meters under sea level.
　　［正］ the lake is two meters below sea level.
　　［析］ under的意思是在某物的下面，而below lower than, 即＂低于＂。
　　［误］ under the help of our teacher, all of us passed the exam.
　　［正］ with the help of our teacher, all of us passed the exam.
　　understand
　　［误］ i think it is diffcult to make myself to understand.
　　［正］ i think it is diffcult to make myself understood.
　　［析］ 这句话的意思是＂我想让别人理解我太难了＂。
　　［误］ i am understanding the lesson now.
　　［正］ i understand the lesso n now.
　　［析］ understand一词没有进行时态。类似的词还有belong, find, hear, love, like等。
　　until
　　［误］ we walked until the edge of the forest.
　　［正］ we walked as far as the edge of the forest.
　　［误］ our school bus ca n hold until twenty children.
　　［正］ our school bus can hold up to twenty children.
　　［析］ until与till两词的意思一样，但两个词都只能用于时间，如： i＂ll wait until i hear from you.
　　［误］ i waited for my mother to seven o＂clock, but she didn＂t come.
　　［正］ i waited for my mother until seven o＂clock, but she didn＂t come.
　　［误］ can you return this book until monday?
　　［正］ can you return this book by monday?
　　［析］ 当我们谈目前正在进行而将来某一时刻才停止的事件时用until，而用by来表达将来某一时刻会发生的动作。
　　［误］ we arrived home until it became dark.
　　［正］ we didn＂t arrived home until it became dark.
　　［析］ until用于肯定句时表示＂某动 作直到……为止＂，如： they worked until 5 00 p. m. 用于否定句中时意为＂直到……才＂。所以用于肯定句中要使用延续性动词，但截止性动词却可以用在否定句中。
　　upstairs
　　［误］ he went to upstairs.
　　［正］ he went upstairs.
　　［析］ upstairs一词可用作副词，如： we all hurried upstairs to see what happened. 也可用作名词，如； the upstairs of the house needs painting. 同时也可以用作形容词， 如： a house with three upstairs rooms is quite good.
　　use
　　［误］ it is no us e to ask her.
　　［正］ it is no use asking her.
　　［析］ it is no use…与there is no use…后通常用动名词，而不用不定式。
　　［误］ i＂ll get used to treat the students this way.
　　［正］ i＂ll get used to treating the students this way.
　　［析］ be used to与get used to后要接动名词表示＂习惯于＂做某事。
　　［误］ i used to getting up early in th e morning.
　　［正］ i used to get up early in the morning.
　　［析］ used to表示过去习惯的动作，其后要加动词原形。
　　［误］ oil was used to cooking.
　　［正］ oil was used to cook.
　　［析］ 这里的句型虽然也是be u sed to但这里不 是主动态，而是被动态，所以不能接动名词而应接不定式。
　　［误］ we used to go to the great wall three times.
　　［正］ we went to the great wall three times.
　　［析］ used to只能用来表示一种习惯，而不能用来表达某事发生的次数。