2018年9月11日
It’s been +一段时间+ since+从句
中考频度：★★★☆☆ 难易程度：★★★☆☆
（2016﹒湖北荆州）—I can hardly believe my eyes. Is that you, Joy? —Yes. It has been almost ten years ____________ we were together. A. since 【答案】A
B. before
C. until
D. after
【归纳拓展】
It’s been +一段时间+ since+从句 It’s been +一段时间+ since+从句意为＂自从……以来已经有多长时间了＂，还可表示为＂It is + 一段时间+since+从句＂。 It has been five years since I began to learn English. = It’s five years since I began to learn English. 自从我开始学英语已经有5年的时间了。 since此处用作连词，意为＂自从，自……以来＂。主句常用完成时态，且动词需用延续性动词。since后接从句，该从句用一般过去时态。 She has taught us English since I came to this school. 自从我来到这所学校她就教我们英语。 since还可用作介词，意为＂自从……以来＂，后接表示时间点的词。 He has worked there since 10 years ago. 他在那儿已经工作10年了。 【拓展】 1. 在＂It was + 一段时间 + before从句＂ 句型中，若主句是一般过去式，从句也是一般过去
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式时： ① 若主句是肯定句，翻译成＂过了多长时间之后才……＂ It was long before they found their son. 过了很久他们才找到他们的儿子。 ② 若主句是否定形式，翻译成＂没过多久就……＂ It was not long before the couple met again. 没过多久这对夫妻就见面了。 2. 在＂It will be + 一段时间 + before从句＂句型中，若主句是一般将来时，从句也是一般现在时： ① 若主句是肯定句，翻译成＂要过多长时间之后才……＂ It will be half a year before I come back. 半年后，我才回来。 若主句是否定形式，翻译成＂用不了多久就……＂ It won’t be long before we meet again. 我们不久就会见面。
I. 根据汉语意思完成句子
1. 自从上次和我们小学同学见面以来已经有3年时间了。
____________________________________________________________________________________ 2. 自从他离开北京已经十年了。
____________________________________________________________________________________ 3. 他不当医生已经五年了。
____________________________________________________________________________________ 4. 他们结婚已经三年了。
____________________________________________________________________________________ 5. 他们不在这儿已经三年了。
____________________________________________________________________________________ 6. 要过好几个小时他才会作出决定。
____________________________________________________________________________________ 7. 她没过多久就记住了那些诗。
____________________________________________________________________________________
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8. 用不了多久他们就能互相了解。
____________________________________________________________________________________ II. 单句改错
1. Many a book have been published this year.
____________________________________________________________________________________ 2. It is the first time that I had been here.
____________________________________________________________________________________ 3. It is/has been 3 years before I bought the book.
____________________________________________________________________________________ III. 单项选择。
1. It ____________ three years since we ____________ to college. A. was; went
B. has; been
C. has been; went
2. It ____________ over ten days since the dog ____________. A. is; has been dead
B. has been; died D. was; has died
C. has been; has been dead
3. He has been a teacher ____________ six years ago and he has been here ____________ 3 years. A. for; for
B. since; for
C. for; since
4. —Da Run Fa Supermarket is ____________ on weekends. We can do some shopping there on weekdays. —Oh, no. It ____________ ever since last Friday. A. open; has closed C. open; has been opened
B. close; has been open D. closed; has been closed
5. —The shop is ____________ on Saturday and Sunday. We can go shopping there on weekdays. —Oh, no. It ____________ since last Saturday. A. open, has closed
B. close, has been open D. closed, has been closed
C. open, has been opened
6. It has been five years ____________ I came to this school. A. for
B. since
C. whether
D. when
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It’sbeen+一段时间+since+从句-学易试题君之每日一题君2019学年上学期九年级英语人教版
