为什么这里要用by doing?在这里,How would you account for the fact that explorers used to be willing to take great risks,by sailing across the sea without navigational instruments?by sailing.在这里的用法我不是很理解.
问题描述:
为什么这里要用by doing?在这里,
How would you account for the fact that explorers used to be willing to take great risks,by sailing across the sea without navigational instruments?
by sailing.在这里的用法我不是很理解.
答
by doing sth. 靠/通过做……
如:The old lady made a living by selling eggs. 老妇人靠卖鸡蛋为生。
此句译为:你如何解释这一事实:探险者过去愿意冒险,远航可以不用导航仪器?
答
by 作介词
介词后面要加动词的ing形式
答
因为by是介词,介词后要跟名词,而sail是动词,所以要写出动名词形式,by +n./v.ing表示通过...的方式
答
因为他是现在进行时,be动词要加doing
答
意思就是说用驾驶帆船的方式,
这种用法就好像说开车去哪里用,go somewhere by driving
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答
by应该有通过的意思
答
by 作介词
介词后面要加名词,所以就要用动词的ing形式 (动名词形式)
即by+V.ing/n
sail是动词,所以变成:by sailing
明白了吗?^_^