used todo的否定和疑问形式
used to do的否定形式是didn't use to do或usedn't to do。疑问形式是Did you use to do sth?
used to所表示的意思是“过去常常做某事”,强调过去发生的事,所以一般用于描述发生在过去的事情。
例句:My brother used to go swimming in the sea.
翻译:我哥哥过去常常在海里游泳。
区别
used to do和be used to doing的含义不同,be used to doing表达习惯于做某事的意思。
例句:I am used to having a cup of tea in the morning.
翻译:我习惯于早上喝一杯茶。
used to do 的一般疑问句否定答语是什么
used to do的一般疑问句有两种构成形式:
1、将did提前至句首,结构为:Did+主语+use to do sth...?
例如:Did he use to be shy?
否定回答:No,he didn't.
肯定回答:Yse,he did.
2、将used提前至句首,结构为:Used+主语+to do sth...?
例如:Used he to be shy?
否定回答:No,he usedn't.
肯定回答:Yes,he used.
扩展资料
used to的用法
表示过去常常,现在已经停止的情况或习惯,侧重今昔的对比,其中to是动词不定式符号,后接动词原形。使用时要注意以下几种情况:
(1)used to的肯定式
可用于各种人称的单复数,后接动词原形。如:
He used to cause lots of trouble for his parents.他过去常常给父母惹许多麻烦。
(2)used to的否定式
used to的否定式为didn't use to或usedn't to两种形式。如:
He usedn't to walk to school every day.他过去每天不走路去上学。
3)used to用于there be结构中
用于there be结构中,表示“过去常有…”,其构成为There used to be。如:
There used to be a tall building about 50 meters high.过去,这里曾经有一座大约50米高的大楼。
used to否定句和反意疑问句的另一种形式
就是把
used
to
当情态动词否定式:主语
used
not
to
do
sth.
疑问句:used
sb.
to
do
sth.?所以反义疑问句就是主语
used
to
do,usedn’t
you?
(used
not可缩写为usedn’t或usen’t.)
used to do的否定句和疑问句
used to do sth. 句型表示“过去常常,过去习惯。”表示过去的某种习惯(过去经常反复发生的动作或状态)。
e.g. I used to live there when I was a child.
n
否定式:used not to do sth.
口语中:didn’t use to do sth.
(used not可缩写为usedn’t或usen’t.)
e.g. I used not to live there when I was a child.
I didn’t use to live there when I was a child.
疑问句:used sb. to do sth.?
Did sb. use to do sth.?
e.g. Used you to live there when you was a child.
Did you use to live there when you was a child?
used to do sth.与be used to (doing) sth.的区别
1. used to do sth. “过去总做某事”(现在不做了)只用于过去时态。
e.g. He used to get up early.
2. be used to (doing) sth. 表“习惯于做某事”,可用于现在、过去、将来的多种时态,be可以用become, get等来代替,此处to是介词。
e.g. He will be used to getting up early.
‘used to’句型的陈述句,一般疑问句,否定句,举例说明
在英语里这是一个考点---used to so sth..
因为常常与be used to doing sth.(习惯作某事)混淆,所以经常两个一起考.
两者用法如下:
1、used to do sth. 过去常常做某事,现在不了.
肯定:I used to get up early.
否定:I didn't use to get up early.
疑问:Did you use to get up early?
2、be used to doing something
肯定:I am used to eating school food now.
否定:I'm not used to eating the food now.
疑问:Are you used to eating the food now?
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