【往期回顾】
一课一题一语法:新概念英语第1册第125-126课
下面是第125-126课的参考答案:
【答案】
1. She must drink some water immediately. (改为否定句)
She needn’t / doesn’t have to / doesn’t need to drink any water immediately.
2. He needs to do his homework every day. (改为否定句)
He doesn’t need to do his homework every day.
3. I have to lend him my notebook. (对划线部分提问)
What do you have to lend him?
【本期内容】
下面我们继续本周《新概念英语1》第127-128课的重点句型或语法的分享。先来读一读第127课的课文:
一、课文原文
二、重点句型或语法
本课学习的是情态动词must和can't表猜测的用法。
(一)must
must用作肯定猜测,表“一定”。本课侧重学习的是must对现在时间发生的状态或动作的猜测。
1、对状态的猜测
其基本用法为:
主语 must be 名词/形容词/短语
如:
He must be a teacher.
He must be tired now.
He must be in the park now.
2、对动作的猜测
其基本用法为:
主语 must be doing
如:
He must be reading in the library now.
(二)can
当表否定猜测时,要用can't,表示“一定不”。本课侧重学习的是can't对现在时间发生的状态或动作的猜测。
1、对状态的猜测
其基本用法为:
主语 can't be 名词/形容词/短语
如:
She can't be a doctor.
She can't be excited now.
She can't be at home now.
2、对动作的猜测
其基本用法为:
主语 can't be doing
如:
She can't be working in the garden now.
【注意】
can作为肯定形式,也可以用来表猜测,表示“有可能;有时会”,如:
It can be quite cold here in winter.
这里的冬天有时还真够冷的。
三、一课一题
根据本课的重要语法点,让我们来练一练吧,请把下列句子翻译成英语。
1. 他这么说,肯定是个傻子。
2. 她现在不可能在办公室。
3. 她现在不可能在家看电视。
,