①that在定语从句中作宾语或介词宾语时可省略
He is reading the book (that) he bought yesterday. 他在读他昨天买的书。
②that作从属连词，在句子中没有实在意义，只起到连接作用，以引导宾语从句时，也可以省略。
We are sure (that) we can have a better and cleaner place in the future.
我们相信，我们可以有一个更加美好，更清洁的地方。
③so that … 结果状语从句中的省略
The sound is so weak (that) you cannot hear it. 声音弱得你听不见。
扩展资料
由which, that引导的从句
它们所代替的先行词是事物的名词或代词，在从句中可作主语、宾语等，作宾语时可以省略，例如：
1、Prosperity which / that had never been seen before appears in the countryside. 农村出现了前所未有的繁荣。（which / that在从句中作主语）
2、The package (which / that) you are carrying is about to come unwrapped. 你拿那个包裹快要散开了。(which / that在从句中作宾语）
注意： 代表物时多用which，但在下列情况中用that而不用which：
温馨提示：答案为网友推荐，仅供参考
第1个回答 2017-01-15
1．用作代词，代替前面所指的事物，常见于表示比较关系的状语从句中，例如：
It is warmer in the south than ( that of )the south.
2．引导名词性从句作宾语，即宾语从句，例如：
She said ( that ) she would come.
I suggested ( that )we ( should ) go home.
3．作关系代词，在定语从句中作表语或宾语，例如：
Can I have the records ( that ) I lent you?
He is just the man ( that ) you talked about.
4．在 way （意为 manner ）后面，that 意思为 in which，例如：
Do it the way ( that ) I showed you.
5．在表示个人对事物反应、表示重要性或迫切性的adj后所接的从句中，例如：
I am glad ( that ) you are right.
It is obvious ( that ) they are happy together.
6．so that, so…that, such…that, 结构中，例如：
I came to see you so ( that ) you would know the truth.
She had so many children ( that ) she didn’t know what to do.
I was having such a nice time ( that ) I didn’t to leave.
7．用于表示时间的词后面，整个短语相当于when，例如：
I joined the army the year/month ( that ) my father died.
Mac came to see me the week ( that ) we went camping.
The time ( that ) you knocked at the door, my telephone rang.
I thought her nice and honest the first time ( that ) I met her.
= I though her nice and honest when I met her.
8．如果定语从句中的谓语是 there is，作主语的关系代词 that 也常省略，例如：
This is the fastest train ( that ) there is to Beijing.本回答被网友采纳
It is warmer in the south than ( that of )the south.
2．引导名词性从句作宾语，即宾语从句，例如：
She said ( that ) she would come.
I suggested ( that )we ( should ) go home.
3．作关系代词，在定语从句中作表语或宾语，例如：
Can I have the records ( that ) I lent you?
He is just the man ( that ) you talked about.
4．在 way （意为 manner ）后面，that 意思为 in which，例如：
Do it the way ( that ) I showed you.
5．在表示个人对事物反应、表示重要性或迫切性的adj后所接的从句中，例如：
I am glad ( that ) you are right.
It is obvious ( that ) they are happy together.
6．so that, so…that, such…that, 结构中，例如：
I came to see you so ( that ) you would know the truth.
She had so many children ( that ) she didn’t know what to do.
I was having such a nice time ( that ) I didn’t to leave.
7．用于表示时间的词后面，整个短语相当于when，例如：
I joined the army the year/month ( that ) my father died.
Mac came to see me the week ( that ) we went camping.
The time ( that ) you knocked at the door, my telephone rang.
I thought her nice and honest the first time ( that ) I met her.
= I though her nice and honest when I met her.
8．如果定语从句中的谓语是 there is，作主语的关系代词 that 也常省略，例如：
This is the fastest train ( that ) there is to Beijing.本回答被网友采纳
第2个回答 2019-11-06
定语从句中的关系代词that
在从句中
作宾语时
可以省略
如
这是我昨天买的书
this
is
the
book
that
i
bought
yesterday.
that代替先行词the
book
作
从句中bought的宾语
这时that可以省略
= this
is
the
book
i
bought
yesterday.
在从句中
作宾语时
可以省略
如
这是我昨天买的书
this
is
the
book
that
i
bought
yesterday.
that代替先行词the
book
作
从句中bought的宾语
这时that可以省略
= this
is
the
book
i
bought
yesterday.
相似回答