2015卫生类职称英语考试基本语法：whatever,however词的用法
2015-02-06 11:09 来源：医学教育网
2015卫生类职称英语考试基本语法：whatever,however词的用法
这些词的用法应注意以下几点：
（1）它们均可引导让步状语从句，意为“无论…”：
Whatever you say,I believe you. 无论你说什么，我都相信你。
Whoever telephones,tell them I'm out. 不管是谁打电话，都说我出去了。
Whichever day you come,I'll be pleased to see you. 无论你哪天来，我都欢迎。
Whenever you come,you are welcome. 你什么时候来，我们都欢迎。
Wherever he goes,I'll go. 不管他去哪里，我也去。
（2）它们引导让步状语从句时，通常可换成no matter…，如说：
No matter what you say,I believe you. 无论你说什么，我都相信你。
No matter when you come,you are welcome. 你什么时候来，我们都欢迎。
No matter how much he eats,he never gets fat. 无论他吃多少,他都不发胖。
（3）注意however以下两类句型结构：
① however+主语+谓语：
However you travel,it'll take you at least three days. 不管你怎么走，至少要三天。
However you come,be sure to come early. 不管你怎么来，一定要早来。
② however+形容词或副词+主语+谓语：
However much he eats,he never gets fat. 无论他吃多少,他都不发胖。
However cold it is,she always goes swimming. 不管天多冷，她都会去游泳。
有时该结构中的主语和谓语可以有所省略：
He was of some help,however small. 他总能帮些忙，不管多小的忙。
I refuse,however favorable the condition. 不管条件多好，我都不接受。
（4）有时从句谓语可用情态动词：
I'll find him,wherever he is [may be]. 无论他在哪里，我都要找到他。
Keep calm,whatever happens [may happen]. 无论发生什么事都要保持冷静。
（5）whenever有时可引导时间状语从句，wherever 有时可引导地点状语从句：
Whenever we see him we speak to him. 每次见到他，我们都和他说话。
They teach wherever their pupils are working. 学生在哪里工作，教师们就在哪里上课。
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