解析：
1. The motorbike was red, and there were two persons on the motorbike.
2. He told me he would be a good tennis player the next year when we met on a train.
3. If I failed to achieve my desire, I would think it comes from a fate beyond my power.
4. However, if the goals are obtained, my endless efforts will bring them to me.
5. No one could deny that computers have made our life convenient and made our work efficient.
6. Depending on computer, many problems can be easily solved, which was not possible 20 years ago.
指代不清
在使用代詞如 it, he, she, this, that, which, one 等的時候，前面的句子中應該出現明確的先行詞。如果指代不清，就會造成意思上的混亂。
鞏固練習：改正句子。
1. The world's energy demand still continues to rise. How will that ever be possible for us to get through?
2. Peter told Alan that his wife was unhappy.
3. Marsha attributed her success to her husband's support, which was generous.
4. Susan's mother wondered if she was tall enough to be a model.
解析：
1. The world's energy demand still continues to rise. How will the situation ever be possible for us to get through?
2. Peter told Alan, "Your wife is unhappy."
3. Marsha attributed her success to her husband's generous support.
4. Susan's mother wondered if Susan was tall enough to be a model.
斷句錯誤
英語的句子要求主從句直接要由恰當的銜接詞連接，并列句也要求用銜接詞或分號連接。由于漢語中沒有這些要求，句子之間可以用逗號連接，因此，在四、六級作文中，很多同學的英語句子用逗號連接兩個各自完整的句子;或將兩個句子連接，但是沒有使用標點符號或銜接詞，以致于造成病句。
鞏固練習：改正句子。
1. They read different books just to meet their different needs. Because different people have different needs to read the different kinds of books.
2. Students and teacher heard Liming went to hospital, all of them went to visit him.
解析：
1. They read different books just to meet their different needs, because different people have different needs.
2. When students and teacher heard Liming went to hospital, all of them went to visit him.
成分殘缺
英語的句子雖然結構多樣，但都是由基本的句子結構演化擴展而來。如果句子不符合基本的句子結構要求，缺少必要成分或者將從句或短語誤當作句子，就不能表達一個完整的意思。由于英語和漢語的表達方法和習慣不同，成分殘缺是中國學生在英文寫作中容易出現的問題。
鞏固練習：改正句子。
1. "Is honesty out of date?" many people asked. In my opinion, the answer should be "no". Because honesty is not a simple social phenomenon, but a kind of humanity which is rooted in our mind.
2. And then there is no need to worry whether you'll be lost in a strange place, if you have a cellphone. Especially, in some urgent situations.
3. There are other functions about cellphone. For example, time-schedule.
4. First, as we all know that cosmetics always contain complex chemical elements. Which many people will be allergic.
5. First of all, cellphone serves as a convenient way of communication. Since it allows you to chat with others on the phone whenever you like.
6. First, people deal with wastes carelessly. They pay little attention to the result of the wastes. Second, the development of industries.
7. In my opinion, honesty becomes more and more important in recent society. Though the society competition becomes more and more fierce.
8. We can do a lot of things to entertain ourselves in spare time. Like reading, and listening to music.
9. Personally speaking, friendship is an in-depth relationship combining trust, support, communication, understanding, empathy, and intimacy. Aspects of life that all of us crave.
10. Thus, could I make a piece of advice to you that reducing the price of food?
相關鏈接：大學英語四六級寫作三大困境及應試策略
大學英語四六級考試寫作高分必備十字真經
2008年6月大學英語四六級考試作文經典詞匯歸類
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