爱华网1.stop to do sth. 和stop doing sth.
“stop to do sth.” 表明停止做其它工作而去做“to do sth.”所表明的工作，能够将“to do sth.”了解成“stop”的意图状语：“stop doing sth.”表明不做“doing sth.”所表明的工作。
例如：“Stop talking. Let's begin our class.”said the teacher. 教师说：“别说话了，让咱们开始上课。”
We have kept doing our homework for a long time. Let's stop to listen to music. 咱们做家庭作业很长时间了，让咱们停下来听听音乐。
2.have sth. done.(过去分词)(让他人)做某事
例如：I had my hair cut yesterday afternoon. 我昨天下午理了发。
My computer can not work now. I must have it repaired. 我的电脑有故障了，我必须让人修好它。
3.forget to do sth.和forget doing sth. (remember to do sth. 和remember doing sth.)
“forget to do sth.”表明将来不要忘掉做某事，谈的是将来的工作：“forget doing sth.”表明忘掉过去应当做的工作。
例如：“Don't forget to do your homework.”said the teacher before the class was over.
教师在下课前说：“不要忘掉做家庭作业。”
“I'm sorry. I forgot doing my homework. May I hand it in this afternoon，Mr. Chen?”said Li Ming.
李明说：“对不住，我忘掉做家庭作业了。我今天下午交好吗，陈教师?”
4. 感官动词后接不带to的不定式或许现在分词的差异
例如：see sb. do sth.看见或人(常常)做某事 和see sb. doing sth.看见或人(正在)做某事
I often see him do exercise in the morning. 我常常在早晨看见他锻炼身体。
When I was walking in the park，I saw him drawing a picture there. 当我在公园漫步的时分，我看见他正在那里画画。
5. 介词后边通常接动名词。同学们要特别注意介词to和不定式符号to的差异，例如下面的词组一定要记清：
prefer doing sth. to doing sth. 喜爱做……不喜爱做……
look forward to doing sth. 等待/期望做某事
make a contribution to doing sth. 为……做出奉献
6. 在主动语态中，感官动词(see，hear，feel，watch等)和使役动词(make，have，let等)请求接不带to的不定式做宾语补足语，而在被动语态里，不定式要带上to.
例如：The boss often made the workers work 10 hours a day.
The workers were made to work 10 hours a day.
She was heard to use strong language. 听说她骂人了。
7.常用的几个和不定式有关的句型：
Why not do sth?为何不做某事?
It takes/took sb. some time to do sth. 做某事花了或人多长时间。
It is/was +形容词+(for sb.)+to do sth. 做某事(对或人来说)怎么样。
8. 现在分词和过去分词做定语的差异
A. 如今分词富含正在进行的意思，而过去分词富含被迫或许现已完结的意思，如：
a developing country 发展中国家 a developed country 发达国家
boiling water 正在沸腾的水(通常状况下水温为100℃) boiled water 开水(现已烧开的水，水温能够仍然很高，也能够是凉白开)
a boy named Jim 一个叫Jim的男孩
B. 有些动词的现在分词和过去分词都具有形容词特征，可是它们的意思有差异。它们的-ing方式通常用来阐明事物的特征;他们的-ed方式表明被动的意思，用来阐明人的状况。
I am interested in this interesting story. 我对这个风趣的故事感兴趣。
I am moved at the moving sight. 我被这动人的情形感动了。
They were amazed at the amazing facts. 他们对那些令人惊异的事实感到惊讶。
对于孩子教育你存在困惑？关注初中家长会微信订阅号：czjzh100，可学习更多教育知识。添加教育专家微信号：yykjzh。可以帮助你解决教育困惑。对于教育我们是认真的。
