6. I called you at ten, but there was no reply.
Oh, that was probably when I ________ a shower.
A. am taking B. took
C. were to take D. was taking
7. Have you ever worked with a tape recorder?
I ________ it a lot when I was studying French in school.
A. used B. was used
C. have used D. had used
8. You must have met him the other day. Oh, no, I ________ .
A. hadnt B. mustnt
C. havent D. didnt
9. Which flight ________ ?
I want to catch the 13:00.
A. you are to catch B. are you catching
C. do you catch D. have you caught
10. Excuse me, sir. Would you do me a favor?
Of course. What is it?
I ________ if you could tell me how to fill out this form.
A. had wondered B. was wondering
C. would wonder D. did wonder
不定式的特殊句型Why not
分词作定语
由“名词(代词)+过去分词”构成的独立主格
forget doing/to do
不定式的特殊句型too…to…
独立主格用法详解
不定式作宾语
独立主格结构中的非谓语动词用法
不定式作表语、定语、状语
从一道高考题看独立主格结构的用法
regret doing/to do
独立主格结构考题小练(有详解)
动词
动词不定式的否定式
分词独立主格结构的理解技巧
分词的时态
分词作状语
分词作补语
mean to doing/to do
动名词作主语、宾语和表语
stop doing/to do
分词的语态
动名词不定式、分词配套练习及答案
分词作表语
be afraid doing/to do
动名词与不定式
worth 的用法
用作介词的to
关于分词的独立主格结构
英语独立主格用法归纳
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