高一英语必修一 unit1-2复习 最新讲义及教案
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教案
讲义
学生：任课教师：
教学内容：
强调句型
为了强调句子的某一成分（通常是主语、宾语、或状语），常用强调句型：It is (was) +被强调部分+that(who)…表示强调的 it 在句子中作主句的主语；被强调部分可以是主语，宾语，表语或状语；强调的主语如果是人，that和who都可用。如：
Last night I saw a film in the Youth Palace.
强调主语：It was I that / who saw a film in the Youth Palace last night.
强调宾语：It was a film that I saw in the Youth Palace last night.
强调地点状语：It was in the Youth Palace that I saw a film last night.
强调时间状语：It was last night that I saw a film in the Youth Palace.
另外，还要注意下面几点：
1）在强调主语时，that 后的谓语动词要与被强调者保持人称和数的一致。如：
It is I who am a teacher.
2）即使被强调的主语是复数，主句中的谓语动词也用单数。如：
It is they who often help me with my lessons.
3）在强调时间、地点、原因或方式状语时，不能用when，where，why或 how ，而要用that 。如：
It was because her mother was ill that she didn't go with us.
It was only when I reread his poems recently that I began to appreciate their beauty.
It was the house that the murder happened.
4）在强调not … until结构中由 until 短语（或从句）表示的时间状语时，要用固定的强调句型：It is(was) not until ...that... 注意此时原句的not…until要变成not until ，that 从句中的谓语动词要用肯定式。如：
My father didn't come home until 12 o'clock last night.
It was not until 12 o'clock last night that my father came home.
I didn’t realize she was a famous film star until she took off her dark glasses.
It was not until she took off her dark glasses that I realized she was a famous film star.
5）原句的谓语动词如果是现在或将来的各种时态，用It is…that (who)…；如果原句谓语动词是过去各种时态，则用It was… that(who)…
6）在强调一般疑问句中的某一成分时，主句要用一般疑问句的语序。that后面的原句其余部分在移走了被强调部分后词序及词形都不可以改动。如：
Did this happen in Beijing?
Was it in Beijing that this happened?
7）特殊疑问句中只有疑问词可以强调，其强调结构是“疑问词+is (was) it that...? " 如：Where were you born?
Where was it that you were born?
【精编陷阱题训练】
1.—Who are making so much noise in the garden? —_______ the children.
A. It is
B. They are
C. That is
D. There are
2. It is _______ he often fails in exams ______ makes his parents worried about him.
【精编陷阱题训练答案与解析】
1. 选A。为强调句型It is the children who are making so much noise 之省略。
2. 选C。为强调句型，被强调成分为主语从句that he often fails in exams。
3. 选B。为强调句型，句意为“真正重要的在于保护树，而不在于种多少树”。
4. 选A，整个句子为it was … that … 格式的强调句式，即第二空要填that;第一空填where，where my father worked 为地点状语从句，为强调句的被强调部分。句意为“我现在我父亲曾经工作过的地方工作”。
5. 选A，为强调句的一般疑问句形式，其相应陈述句为It was you that I saw …。
6. 选A。when 表示“当……的时候”，句首的it 表示时间，全句意为“当他回到家时，时间是10点钟。”
7. 选C。为He didn’t know the police were looking for him until he came back 之强调形式。注意，not … until … 的强调句式通常为It was not until … that … 的形式。