内容正文:
初二下册北师大版
【寒假专版】
D版句型真题直击
寒假专版
【D版句型真题直击】be able to
初中☐北师大版☐初二下册
句型结构
主语+be able to do sth
含义:be able to强调通过努力获得的能力,可用于各种时态;can/could表天生能力或客观可能性
could为can的过去式。
直击真题高效讲
真题1(单项选择口月考真题)
you
swim across the river when you were ten?
-No,but now I can.
A.Can
B.Could
C.Were;able to
答案:C
核心知识点:
l.含义考点:be able to强调通过努力获得的能力,可用于各种时态;can/could表天生能力或客观
可能性,could为can的过去式。本题时间状语为when you were ten(过去时),且强调过去是否具
备某能力,be able to更符合语境。
2.时态考点:一般过去时中,主语you搭配were able to,.符合语法规则。
3.干扰项排除:Can用于一般现在时,Could虽为过去式,但此处强调“是否具备能力”而非“请
求或许可”,且题干中有具体过去时间状语,be able to更准确。
真题2(句型转换☐期中真题)
He can speak English well now.(用be able to改写句子)
答案:He is able to speak English well now.
初二下册北师大版
【寒假专版】
D版句型真题直击
核心知识点:
1.结构考点:can与be able to在一般现在时中可互换,be动词根据主语人称变化(主语He搭配
is)。
2.改写原则:保持句子含义不变,时态一致(now提示一般现在时),be able to后接动词原形speak。
真题3(用所给词的适当形式填空口期末真题)
They
(be)able to finish the work before dark yesterday.
答案:were
核心知识点:
l.时态考点:yesterday提示一般过去时,主语They为复数,be动词用were。
2.固定结构:be able to do sth中be动词需根据时态和主语变化,过去时复数主语对应were。
真题4(完成句子口月考真题)
十年后,我们将能够在火星上生活。
We
live on Mars in ten years
答案:will be able to
核心知识点:
1.汉译英考点:“将能够”对应一般将来时,be able to的将来时结构为will be able to。
2.时间状语匹配:in ten years提示将来时,will+be able to符合语法要求。
真题5(语篇填空☐期末真题片段)
She
(not be)able to ride a bike last year,but now she
(can)do it very well.
答案:was not;can
核心知识点:
1.时态对比考点:last year提示第一空为一般过去时,主语She搭配was not:now提示第二空为
般现在时,用can表现在的能力。
2.否定结构:be able to的过去时否定形式为was/were not able to,此处主语为单数,用was not。
真题6(判断改错☐期中真题)
I will can able to drive a car when I am 18.(找出错误并改正)
2
初二下册北师大版
【寒假专版】
D版句型真题直击
答案:将will can改为will be
核心知识点:
1.易错点警示:can为情态动词,不可与will直接连用,“将能够”需用will be able to结构,情态
动词can无将来时,需通过be able to表达。
真题精准训练
一、单项选择(考查be able to与can的辨析及时态)
1.
you
finish the project by yourself last week?
-No,I needed help.
A.Can;
B.Could;
C.Were;able to
2.My brother
speak two languages when he was five,but now he can speak four.
A.can
B.could
C.is able to
3.We
able to travel abroad next summer if we save enough money.
A.will be
B.are
C.were
二、用所给词的适当形式填空(考查be able to的时态变化)
1.She
(be)able to play the piano since she was six years old.
2.They
(not be)able to attend the meeting yesterday because of the rain.
3.I
(be)able to swim across the pool when I was eight.
4.We
(be)able to visit the Great Wall next month.
三、句型转换(考查can与be able to的转换)
3
初二下册北师大版
【寒假专版】
D版句型真题直击
l.Tom can solve this math problem easily.(用be able to改写)
2.They were able to finish the work on time.(改为否定句)
四、完成句子(考查be able to的汉译英)
1.我相信我们将来
(能够)实现这个梦想。
2」
他去年
(不能)通过驾照考试,但现在他已经通过
五、语篇填空(选自期末真题片段)
阅读短文,用括号内单词的适当形式填空或根据句意填空,使短文通顺。
My grandmother 1.
(not be)able to read or write when she was young.But she 2.
(can)tell interesting stories.Now,with my help,she 3.
(be)able to use a
smartphone.She says she 4.
(will be)able to video call my uncle in America next week.
参考答案
一、
单项选择
1.C2.B3.A
二、用所给词的适当形式填空
1.has been 2.were not 3.was 4.will be
三、句型转换
1.Tom is able to solve this math problem easily.
2.They were not able to finish the work on time.
四、完成句子
1.will be able to
2.was not able to
五、语篇填空
初二下册北师大版
【寒假专版】D版句型真题直击
1.was not 2.could 3.is 4.will be
5