encourage的用法和例句 encourage的用法和辨析( 四 )


1. prefer doing to doing 宁愿做...不愿做...
Their teacher prefers doing to talking. 他们的老师喜欢做而不喜欢说 。
2. be used to doing 习惯做某事
I\'m not used to doing shopping online. 我不习惯于网上购物 。
3. look forward to doing 期待做某事
I look forward to being alone in the house. 我盼望着能自己一人待在这所房子里 。
4. pay attention to doing 注意力集中在做某事上
You should pay attention to picking your words . 你应该注意措词 。
5. devote … to doing 奉献...去做某事
I devote myself to helping the poor. 我致力于帮助穷人 。
六. 加to do= 加doing的高频考查动词
1. start to do =start doing 开始做
When did you start to learn English? 你何时开始学英语的?
2. learn to do = learn doing学着做
She is learning to play the piano. 她在学弹钢琴 。
3. continue to do = continue doing继续做
Bread continues to rise in price. 面包的价格继续上涨 。
加to do≠加doing的高频考查动词
1. forget to do 忘记要做
Don\'t forget to leave room for our teacher.
forget doing做了某事而把它忘记了
2. remember to do记得要做
remember doing记得做过
3. need to do需要做
need doing需要被做
4. stop to do 停下来开始做
stop doing 停止正在做的事
动词不定式的常见用法
动词不定式作主语时,句子的谓语动词常用单数,其位置有以下两种:
(1)把不定式置于句首 。
例:To get there by bike will take us half an hour.骑自行车到那儿将花费我们半个小时 。
(2)用it作形式主语,把真正的主语不定式置于句后,常用于下列句式中 。例:
①It+is+名词+to do
例:It's our duty to take good care of the old.照顾老人是我们的责任 。
②It takes sb+some time+to do
例:How long did it take you to finish the work?你花了多少时间来完成这项工作?
③It+be+形容词+for sb+to do
例:It is difficult for us to finish writing the composition in a quarter of an hour.
我们难以在四分之一小时内完成这篇作文 。
④It seems(appears)+形容词+to do
It seemed impossible to save money.
省钱似乎是不可能的
在句型③中,常用表示客观情况的形容词,如:difficult,easy,hard,important,impossible,necessary 等;
句型④中,常用(careless,clever,good,foolish,honest,kind,lazy,nice,right,silly,stupid,wise)等表示赞扬或批评的词 。在不定式前的sb,可看作其逻辑主语 。这一句式有时相当于Sb is+形容词+to do句式
例:It's kind of you to help me with my English.=You are kind to help me with my English.
⑤It + 不定式结构可位于(believe/consider/discover/expect/find/think和wonder)之后
例:He thought it would be safer to go by train.他认为乘火车比较安全 。

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