十、非谓语动词

1. We are going to talk about the problem discussing at the last meeting. 此处为分词作定语，问题应该被讨论，所以把discussing改为discussed。

2. The girl dressed herself in red is my sister. dress为及物动词，意为“给…穿衣服”，此处为分词作定语修饰girl, girl应是它的逻辑宾语，因此把herself去掉。

3. Being seriously ill, his class-mates sent him to hospital. 分词作状语时，其逻辑主语为这句话的主语，此句应为“因为他病了，他的同学才把他送到医院去”，因此把前半句改为：He being seriously ill.

4. Having not seen her for many years, we could hardly recognize her. 现在分词的否定应把not放在现在分词前面，所以前半句应改为：Not having seen her for many years.

5. Seeing from the space, the earth looks like a ball. 分词作状语，其逻辑主语应是这句话的主语，此句中地球应该被看，所以把Seeing 改为Seen。

6. English is easy to learn it. 此句中是不定式作状语修饰easy, English应该是learn的逻辑宾语，所以把it去掉。

7. I will get somebody repair the recorder for you. “让某人做某事”可以有以下几种表达法：make sb do sth; have sb do sth; get sb to sth. 因此在repair 前加to。

8. She decided to work harder in order to not fall behind the others. 不定式的否定把not放在to前面。因此应改为：She decided to work harder in order not to fall behind the others.

9. It’s better to laugh than crying. 表比较时比较的双方应为同种结构，或都是名词或都是不定式。因此有两种改法：It’s better to laugh than to cry 或 It’s better laughing than crying.

10. It’s no use to send for the doctor. 做某事是没用的要说成It’s no use doing,所以把to send 改为sending。

11. She practices to play the piano after school every day. practise 后只跟动名词作宾语，因此把to play 改为playing。

12. When the teacher came in, he stopped listening to the teacher. stop doing 为停止做这件事，而stop to do 为停下来正在做的事去做这件事。所以后半句应该为：he stopped to listen to the teacher.

十一、名词性从句

1. We are talking about if this plan should be carried out. If 和whether都可以引导动词的宾语从句，如果从句做的是介词宾语，只能用whether引导。所以把if 改为whether。

2. I can not decide if to stay or not. 只有whether才能和不定式搭配使用。因此把if 改为whether。

3. My suggestion is we try for a second time. 表语从句的引导词如为that，一般不省略。因此在we前加上that。

4. What will the professor say is not known yet. 名词性从句的语序都是陈述句语序。因此应改为：What the professor will say is not known yet.

十二、状语从句

1. I will go unless he invites me. 此句意为“除非他邀请我，否则我不去。”而unless相当于if not, 所以本句应改成：I won’t go unless he invites me。

2. Although he tried, but he still couldn’t keep up with the others. although 和but 不能同时用在一句话中，去掉任何一个都可以。

3. I won’t stay until he comes back. 含有not…until的句子的谓语动词应是点动词，含有until的肯定句的动词应是延续性动词，此句有两种改法：I will stay until he comes back.或I won’t leave until he comes back.

十三、定语从句

1. An orphan is a child who’s parents are dead. 定语从句中表“…的”引导词只有whose，所以把who’s 改为whose。

2. This is the very thing which I lost yesterday. 如果先行词为物且前有the only, the last, the very修饰时，定语从句的引导词只能用that。

3. This is the car for that I paid a high price. 定语从句的先行词为物，而且引导词放在介词后时，只能用which.

4. She is one of the students who has passed the exam. 定语从句修饰one of 加上复数名词时，复数名词是定语从句的先行词，因此把 has 改为have。

5. This is the place where we visited last year. 定语从句的先行词用关系代词还是关系副词要看定语从句中缺不缺主语或宾语，如缺用关系代词，如不缺用关系副词。此句中visit为及物动词，后无宾语，因此把where 改为which或that。

6. I, who is your friend, can understand you. 定语从句的谓语动词应与其先行词保持一致，因此把is 改为am。

7. China is a developing country, that is known to all. 非限定性定语从句的引导词永远不会是that，因此把that 改为which 或as。

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