不用介词 的情况

介词是表示词语之间语义关系的词类。介词与其后的名词短语一一“对号入座”对词语的搭配关系更是至关重要。但是在有些情况下，有些介词是可以省略的，有些甚至必须省略。1. 表示时间的短语中有next，last，one，this，every，each，some，any，all等单词时，省略介词：Can you go to schoolnextMonday？下周一你能上学吗？We moved herelastyear.我们去年搬到这儿。You can comeanydayfrom Monday to Friday.周一至周五你哪一天来都行。We have workedallday. 我们已经干了一整天活。2. today, yesterday, tomorrow, the day before yesterday, the day after tomorrow前，无介词：It is sunnytoday. 今天阳光灿烂。We will go to Beijingtomorrow. 我们明天去北京。3. 在不定冠词a/an的短语中：three meals a day 一日三餐4. what time前的at常省：（At）what timewould shecome here？她几点钟到这儿？5. 在last, wait, live, stay等延续动词后，for可省：Iwaitedseveral hours and then he finally came. 我等了好几个小时后，他才到。6. Wh-引导的名词性从句作介词宾语时，前面介词可省：The little boy had no idea (of)what to donext. 这个小男孩不知道接下来要做什么。7. 含有height, length, size, shape, age, colour, weight等的短语在句子中做表语时：She is just (of)the rightheightto be themodel we need. 她身高正适合我们所需模特的要求。Hershoesare (of) the samesizeas mine 她的鞋子和我的大小一样。8. 在in the same way, in this way, in another way等短语中，in常省:Please tryto doit again(in)the same way. 请用同样的方法再做一次。9. 在口语中，星期前的on常省：Why dont you come and play(on)Sundayevening？星期日晚上到我家来玩不好吗？10. 以下句型中，介词常省：（1）have(no) difficulty/trouble（in）doing sth做某事有（没）困难/麻烦：（2）be busy(in) doing忙于做某事（3）keep sb busy(in) doing sth使某人忙于做某事（4）spend/ waste time(in) doing sth花时间/浪费时间做某事（5）There/ It is no use/good(in) doing sth做某事没有用（6）keep/ prevent/stop sb(from) doing sth阻止（防止）某人做某事（7）have a good time(in) doing sth因做某事而开心（8）lose no time(in) doing sth抓住机会做某事（9）There is no point(in) doing sth做某事毫无意义（10）take turns(at) doing sth轮流做某事（11）end up(by) doing sth以干某事而告终（12）be eng