用20个介词造句,急!急!急!
多数介词，自己本身没有生命 它们必须跟有一个动词或一个名词。
I have bought a book about Shakespearean.我买了一本有关莎士比亚的书。There are about fifteen trees in the picture.图片里大约有十五棵树。2）above 在...上，高出，以上，超过，在...上游.The plane is flying above the clouds.飞机在云上飞行。
To see a world in a grain of sand. And a heaven in a wild flower.从一粒沙子看到一个世界，从一朵野花看到一个天堂。Hold infinity in the palm of your hand. And eternity in an hour.把握在你手心里的就是无限，永恒也就消融于一个时辰。
介词短语的造句 Im going to the store to buy some groceries. （我要去商店买些食品杂货。）The cat is hiding under the bed. （猫儿躲在床底下。）She was born in Paris， France. （她出生在法国巴黎。）We went for a walk along the beach. （我们沿着海滩散步。
介词造句如下：省略介词宾语是古人的语言习惯.受格人称代名词担任动词或介词的受词.找出句中所有的谓语结构、非谓语动词、介词短语和从句的引导词。前一阶段，我们已经复习了数词、介词、代词、连词、形容词与副词.介词短语“给我”加上动词短语用于祈使句有两种意义。
介词 prep.关于，对于 My mother often spoke to me about you.家母常和我谈起你。在...的附近；在...的周围 She sat up and looked about her.她坐了起来，环顾四周。在...的身边 I had no money about me.我身边没有带钱。
prevent造句
prevent an overheated economy 防止经济过热。Prevent Restore 彻底删除文件 ； 彻底删除文件工具 ； 卸载软件 ； 强力文件删除软件。prevent moisture 防湿。Prevent false bankruptcy 防止假破产。prevent doing sth 阻止做某事。双语例句 These methods prevent pregnancy.这些方法预防怀孕。
prevent造句 They took active steps to prevent the spread of the disease.他们采取积极措施，防止疾病蔓延。We are taking steps to prevent pollution.我们正在采取措施防止污染。Snow has prevented communication with the outside world for three days.大雪使得与外界的通信联系中断了三天。
Nothing would prevent him/ his speaking out against injustice. 什么也阻挡不了他为不平之事鸣冤叫屈。
造句：These methods prevent pregnancy.这些方法预防怀孕。 Police are out in force to prevent a recurrence of the violence.警察大规模地行动防止暴力的再次发生。Early diagnosis and treatment can usually prevent blindness.早期诊断和治疗通常可以防止失明。
阻止某人干某事 用 prevent sb. (from) doing sth. stop sb. (from) doing sth. 和 keep sb from doing sth. 其中用了括号里的 from 可以省略。而keep sb from doing sth. 中的from不能省略。
prevent...from造句
1、l prevent him from going out.我阻止他出去。
2、prevent doing sth阻止做某事。prevent sb from doing sth阻止某人做某事。相关例句：Nothing would prevent him from speaking out against injustice什么也阻止不了他反对公平的演讲。相关例句：Her sudden arrival prevented him from going out她突然来到，使他不能外出。
3、[例句]Active cure of swoon patients was important to prevent from complications.积极救治晕厥患者，对预防并发症有重要意义。
4、造句：These methods prevent pregnancy.这些方法预防怀孕。 Police are out in force to prevent a recurrence of the violence.警察大规模地行动防止暴力的再次发生。Early diagnosis and treatment can usually prevent blindness.早期诊断和治疗通常可以防止失明。
5、prevent通常会接形容词，动名词或接受词from动名词。当主词没有必要列出时，prevent可以直接接动名词，也可以接名词。例：Preventing stealing is our main goal this year.prevent造句 They took active steps to prevent the spread of the disease.他们采取积极措施，防止疾病蔓延。
求英语造句
1、）Historically speaking， our ancestors placed great emphasis on filial piety.历史上，我们的祖先很重视孝顺。
2、在用英语单词造句时，应该注意以下几点： 单词的词性。要确定单词的词性，是否是名词、动词、形容词或其他词性，然后正确使用该词性。如果词性使用错误，会导致句子结构或意思错误。 单词的词义。同一个单词可能有多种词义，要根据上下文选择恰当的词义使用。如果词义使用不当，句子意思会产生歧义或无法理解。
3、Clear off ，you boys！你们这些男孩快走开！The little girl is climbing the stairs，up and down.小女孩在上上下下爬楼梯。What you say has no relevance to what were talking about.你说的和我们正在谈论的话题毫无关系。
4、造句：They are here because of us. 他们是因为我们来这里的。Her cat came up and rubbed itself against their legs.她的猫上前来蹭了他们的腿。One afternoon， I got bored and actually fell asleep for a few minutes.一天下午，我感到很无聊，实际上有几分钟还睡着了。