内容正文:
Unit 2 Iconic Attractions
Period 4
(Discovering useful structures)
过去分词用法复习
1
1. To learn the function of ved.
2. To tell the difference between ved and ving.
3. To learn how to analyze sentence structures.
Learning aims
非谓语动词
Lead in
to do
ved
ving
表将要或目的
表被动或完成
表主动和进行
What is non-finite verb?
一、作谓语的ved
1.have/has/had+ved 构成完成时
2.be+ved 构成被动语态
(不能单独使用)
Since 2019, our has changed a great deal.
What you said will be recorded and sent to the police.
二、作非谓语的ved
1.过去分词作定语
(定表状补)
The little girl likes collecting fallen maple leaves.
The West Lake is a well-known tourist attraction.
There is a confused look on his face.
That book (which was) written by Yu Hua was a great success.
1.单个过去分词作定语放名词前,过去分词短语作定语放名词后,相当于一个定语从句。
强调动作完成,不表被动
相当于一个adj.
The problem discussed yesterday has something to do with us.
The problem being discussed now has something to do with us.
The problem to be discussed tomorrow has something to do with us.
3.ved作定语强调动作完成或没有时间性;
being ved作定语强调动作正在被或同时发生;
to be ved作定语强调动作还没有被做
There is a confused look on his face.
The confusing questions make us really confused.
2.ved形式的形容词作定语表示“...的”(人的感受);
ving形式的形容词作定语表示”令人...的”。
2.过去分词作表语
1.过去分词位于 后面作表语,用于说明主语情况。
系动词
He became pleased with the students.
The lady seemed surprised at the results.
Her heart was broken, because she lost her boyfriend.
Her heart was broken by her boyfriend.
表状态
强调动作
被动语态
2.过去分词与现在分词作表语的区别
1. The basketball game is exciting.
2. I am excited about the basketball game.
3. It is exciting to watch the basketball game
当主语是______或 时,用现在分词做表语, 表示“令人……的”;
当主语是_______时,用过去分词做表语, 表示“感到……的”。
物
人
it
1. The species (find) there were (amaze)
2. I was (stun) to see the (excite) expression
on her face when she heard the (shock) news.
3. Mike seemed _______over the problem (puzzle).
4. The party (hold) last night was really wonderful.
5. The film __________(show) tomorrow i