Only用法 (2)

1、.Only用法一、only用作形容词 1. 与the连用，意为“惟一的”，作定语。如： John is the only boy in his family. 约翰是家里惟一的男孩。 2. 与the连用，意为“最好的、最适当的”，作定语。如： She is the only person for the job. 她是做这项工作的最佳人选。 二、only用作副词 1. 常位于所修饰的动词、短语或从句前，意为“只是、仅仅”。如： At present we can only wait and see. 目前我们只好等一等看。 I only touched it. 我只不过摸了它一下。 2. on

2、ly和不定式连用常构成结果状语，表示与预料相反的结果，意思是“竟然、结果”。如： He studied hard only to fail in the exam. 他这么用功，竟然在考场上失利。 He rushed all the way to the station only to miss the train. 他一路冲往车站，结果还是错过了火车。 I went all the way to his home only to find him out at a meeting.我径直到他家里去，不料发现他出去开会了。I hurried to the post office only to

3、 find it closed.我匆忙赶到邮局，不料已经关门了。She went home only to find her house burglarized.她回到家里，发现房子被盗了。三、用作并列连词 用作并列连词时，意为“但是、可是、可惜、不过”。如： This dictionary is just what I want, only it costs too much. 这本词典正是我想要的，但是太贵了。 He is always ready to promise help, only he never keeps his promise. 他总是轻易许诺提供帮助，但是他从不遵守诺言

4、。 四、only在句中的位置 only在句中的位置不同，会使全句的意思或着重点有所不同，一般来讲，only应紧接在它所修饰的词之前。试比较： Only Tom watches TV at home on Sunday. 只有汤姆星期天在家看电视。（修饰主语） Tom only watches TV at home on Sunday. 汤姆星期天在家只是看电视。（修饰谓语） Tom watches only TV at home on Sunday. 汤姆星期天在家看的只是电视。（修饰宾语） Tom watches TV only at home on Sunday. 汤姆星期天只是在家看电视

5、。（修饰地点状语） Tom watches TV at home only on Sunday. 汤姆只是星期天在家看电视。（修饰时间状语） 五、only与倒装语序 only所修饰的副词、介词短语或状语从句位于句首时，要用倒装语序。如： Only then did I realize the importance of health. 到那时我才认识到健康的重要性。 Only thus can we finish the task ahead of time. 只有这样我们才能提前完成任务。 Only in this way can you learn from your mistakes.

6、只有用这种方式你才能从你的错误中吸取教训。Only in this way can you solve the problem.只有通过这种方式你才能解决问题。Only if you study hard can you pass the exam.只有努力学习才能通过考试。Only then did I realize my mistake.只有那时我才意识到错了。 注意：only修饰主语时，句子不需要倒装。 六、only的习惯用法 1. only just（加强just的语气）意为“好容易、刚才、刚刚”。如： The plane has only just taken off. 飞机刚刚才

7、起飞。 I was only just in time for supper. 我好容易赶上吃晚饭。 3. if only意为“但愿、要是就好了”，常引导虚拟语气的条件句或感叹句。如： If only we had arrived in time, we would not have missed the train. 要是我们按时到，就不会误车了。 If only she would marry me!她要是能和我结婚该多好！If only he had known about it!他那时要是知道这件事该多好！If only you could have been here earlier

8、 that day!要是你那天再早点到这就好了。If only there were forty-eighty hours in a day.要是一天有48个小时就好了。4. only if引导陈述语气的真实条件句，意为“只要”。如： Only if you study hard, you will pass the exam. 只要你努力学习，就会通过考试。 .练习:1.她是这儿惟一会开车的姑娘。2.杰里米是我惟一住得近的朋友，其余的朋友都住得很远。3.对于我来说，他是最合适的人。4.我惟一遗憾的是：我仅有一次生命可以贡献给我的祖国。5.他只是为了省钱而步行。事实是他不喜欢步行。6.只是因为

9、我过生日，父亲才送给我这台电脑。7.我姐姐在床上躺着，仅仅是因为她病了。8.我妻子急忙回到家，结果却发现门锁着。9.他再试一次，竟然还是失败了。10.这些花朵很好看，可惜没有香气。11.我倒是很高兴去做，可是我太忙了。12.你什么时候来都行，不过最好先告诉我一声。13.只有非常细心的读者才会发现这个错误。14.要是我年轻些就好了。15.但愿雨停下来。练习答案:1.She is the only girl here who knows how to drive a car.2.Jeremy is the only friend who lives near, all my other frien

10、ds live far away.3.He is the only man for me.4.I only regret that I have but one life to lose for my country.5.He only walks to save money. The fact is that he doesnt like walking.6.Father gave me this computer only for my birthday.7.My sister is in bed only because she is ill.8.My wife went home in a hurry only to find the door locked.9.He tried a second time only to fail again.10. The flowers are lovely, only they have no scent.11. I would do it with pleasure, only I am too busy.12. You may come a