2019-2020学年北师大版高中英语选修8学案:Unit22 environmental protect-语法篇(教师版)
2019-2020学年北师大版高中英语选修8学案:Unit22 environmental protect-语法篇(教师版)第2页

He said that he got up early every morning. (一般现在时→一般过去时)

2) She said, "I am working on a homework project."

She said she was working on a homework project. (现在进行时→过去进行时)

3) She said, " I met my friend in the street."

She said that she had met her friend in the street. (一般过去时→过去完成时)

注意:在下面几种情况下,从句中谓语动词的时态可以保持不变:

1) 直接引语叙述的是科学真理、客观事实、格言等。例如:

"The moon moves around the earth," the teacher said to the students.

The teacher told the students that the moon moves around the earth.

2) 直接引语中有明确的不受语境限制的过去时间状语。例如:

"John went to Paris by air in 1985," Jack said.

Jack said John went to Paris by air in 1985.

3. 状语和指示代词的变化:

牢记:this/these→that /those, now→then, today→that day, yesterday→the day before, last year→the year before, ago→before, here→there等。

例如:He said, "I haven't seen her today."

He said that he hadn't seen her that day.

4.直接引语是一般(选择/反意)疑问句,变成间接引语时,由连词whether或if 引导。例如:

He asked me, "Do you like playing football?"

He asked me if/whether I liked playing football.

5.直接引语是特殊疑问句,变成间接引语时,由相应的疑问词who, whom, whose, how, when, why, where 等引导。例如:

My sister asked me, "How do you like the film?"

My sister asked me how I liked the film.

6.直接引语是祈使句,变成间接引语时,把动词原形变成动词不定式,并在动词不定式前加tell, ask, order 等的宾语。例如:

The captain ordered, "Be quiet."

The captain ordered us to be quiet.

注意:下列情况的否定句中,在动词不定式前加not。

My teacher asked me, "Don't laugh."

My teacher asked me not to laugh.

现在完成时的被动语态

构成:have/has been +过去分词

Has your approach been adopted yet? 你的方法已经被采纳了吗?

非谓语动词(不含过去分词)的被动语态

1. 不定式一般式的被动语态。由"to be+过去分词"构成。如:

She asked to be given some work to do. 她要求给她一些工作做。

He was the last person to be asked to speak. 他是最后被邀请发言的人。

2. 不定式完成式的被动语态。由"to have been+过去分词"构成。如:

I should like to have been told the result earlier. 我本想让人把结果早点告诉我的。

3. 现在分词一般式的被动语态。由"being+过去分词"构成。如:

I saw him being taken away. 我看见有人把他带走了。

Being protected by a wall, he felt quite safe. 有墙作保护,他感到很安全。

4. 现在分词完成式的被动语态。由"having been+过去分词"构成。如: