外教一对一http://www.99jianzhu.com
不定式to在什么情况下可以省略
1. 当and或or连接两个并列不定式时,第二个to常省。
I plan to call him and discuss this question.
我计划给他打电话,讨论一下这个问题。
My friend in China asked me to telephone or write to her in my free time. 我中国的朋友让我有空给她打电话或写信。
2. 当两个并列to有对比意义,第二个to不能省。
I haven’t decided to stay at home or to travel to Beijing this holiday. 我还没决定假期是待在家里还是去北京旅行。
To be, or not to be, that is the question.
生存还是毁灭,这是一个值得思考的问题。(《哈姆雷特》)
3. 当两个to之间无并列连词,to不可省。
I came here not to help you, but to fright you.
我来这不是为了帮你,而是为了吓唬你。
4. 当三个或以上带to不定式构成排比,所有to不可省。
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外教一对一 http://www.99jianzhu.com
Read not to contradict or confute; nor to believe and take for granted; not to find talk and discourse; but to weigh and consider.
文章来源:www.99jianzhu.com
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