1. Mario, you used
to be short, didn't you? 马里奥，你以前个子矮，是吗？
(1)本句是used to do 的反意疑问句。 used to do 的反意疑问句的附加疑问句部分要使用didn't。如：
He used to play the
piano, didn't he?
他过去常常弹钢琴，是吗？
(2)used to是固定搭配，意为“以前经常；过去常常”。如：
She used to be
quiet. 他过去很文静。
used to
to 为不定式，后跟动词原形，used to do sth. “过去经常做某事”。
be used to doing
stth.
to 为介词， 后跟动名词，be used to doing sth. “习惯做某事”。
be used to do sth.
被用于做某事，是被动语态不定式表示目的时，用于多种时态。
木材被用于建造房子。
Wood _______ ___________ _________ make houses.
He_______ _______
live in the countryside, but now he _____ _________ _______living in the city.
他过去住在乡村，但现在他习惯了住在城市。
1)My grandma
________ me stories when I was young.
A．was used to
tell B．is
used to telling C．used to tell D．used to telling
2)Your father used
to eat meat, ________？
A．did you B．didn't you
C．didn't
he
D．did he
used to 的否定结构是didn’t use to.
Tony 以前不常踢足球。 Tony _______ ________
_________ play soccer.
________ you use to
play the piano?
A．Can B．Do C．Are
D．Did
They used to be on the soccer team. ( 改为否定句 ) They ________ ______ ______ be on the soccer team.
He has plenty of humorous
stories to tell.他有许多幽默故事要讲。
(3) 这是一个反义疑问句。反义疑问句的特点是：前肯后否，前否后肯。而且附加问句的动词在时态，人称和数等方面必须与前半句的动词相呼应。如果陈述部分为否定句的反义疑问句时，附加反问部分“yes”表否定，“no” 表肯定。如果陈述部分带有否定的词语“little，nothing, few，seldom”等，附加疑问部分要用肯定形式。
----Jim had nothing for breakfast this morning,
______________? -----___________. He got up too late.
A. Had he;
Yes B. hadn’t he;
Yes C. did he;
No D. didn’t he, No
---You didn’t go to school, did you?
----Yes, I did. / No, I didn’t. 不，我去了。 / 是的，我没去。
