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I used to travel by air a great deal when I was a boy .
①used to +do 表示过去常常做某事
我过去常在那条街。
否定式didn’t use to/used not to(过时，正式，书面语）
I used not to like opera．
I didn’t use to like opera．
疑问式Did …use to/used sb to(过时，正式，书面语)
如： Did she use to have long hair?
Used she to have long hair?
③a great deal 副词 ，表示很多，大量。如果修饰名词则为a great deal of+n，这里名词则为不可数名词。
They spent a great deal of time/money. 他们花了大量的时间、钱
We see them a great deal. 我们经常见到他们。
My parents used to live in South America and I used to fly there from Europe in the holidays.
① fly to somewhere 飞往某地 e.g., fly to Beijing
②in the holidays =during the holidays
3. A flight attendant would take charge of me and I never had an unpleasant experience.
① would表示过去反复发生的动作，和used to 有时可互换 ，有时则不能，见课文258 页
Every evening he would teach us to read and write.每天晚上他都教我们学习文化。
②take charge of 掌管，照顾，管理， 要根据语境翻译~
A new teacher will take charge of the class from next week.
