need to do sth实义动词 need do sth. 没有这种用法，有need doing，表被动 needn`t do sth情态动词 don`t need实义动词 “need”双重角色的用法及其区别 “need”既可以作情态动词，也可以作实义动词，但是它们的用法不同。作为情态动词的“need”的用法与其他情态动词“can”，“may”，“must...
2、will 与be going to do sth区别:①. be going to 表示近期、眼下就要发生的事情,will 表示的将来时间则较远一些,如:He is going to write a letter tonight. He will write a book one day. ②. be going to 表示根据主观判断将来肯定发生的事情,will表示客观上将来势必发生的事情。He is seriously...
finish为动词,意思为“做完、结束、完成等” 例如: (1)When did he finish his ...do 也可接doing。意义差别不大。只是to do多表示具体的一次性的动作。doing更多表示习惯性经常的一般动作。关于finish这个单词的用法?vt.1. 结束;完成[+v-ing]When does he finish his college course?他何时大学...
不定式可在句中作主语、宾语、表语、定语、状语、补足语,但不能作谓语,可有自己的逻辑主语,即for/of sb to do。1.不定式作主语To do that sort of thing is foolish.It would be better fou you to go there.(it作形式主语代替后面的不定式)it be adj/n for sb to do sth注意:不定式作主语表示某次...
等名词+doing sth.It is no use crying.哭没有用。It is no good objecting.反对也没有用。It is a great fun playing football.打篮球很有趣。It is a waste of time trying to explain.设法解释是浪费时间。3)It is + useless (nice, good,interesting, expensive等形容词)+ doing sth.It is ...
4、This machine is very easy to operate. Anybody can learn to use it in a few minutes.翻译：这台机器很容易操作。在几分钟内任何人都能学会使用。动词一般 + to do 总结：1、动词不定式可以用作目的状语。注意其他非谓语动词形式不能用作目的状语。2、only to do sth.为不定式作结果状语，...
4、注定（通常用过去时）例句：He came to power，but was to pay dearly for it，soon he was killed.他得到了权力，但是为此付出了昂贵的代价，不久他就被暗杀了。5、（用于If...were to do句型）如果……的话 例句：If you were to succeed，be sure to make full use of your time. ...
5助动词: do does, did, shall will, should would及否定式 情态动词: can could, may might,shall should,will would,must need及否定式(区别：need to do sth.)6．perfer to do---rather than + V (原型) /would rather do---than do doing sth. 介词（in/ of/ about/to/at/...
（2）It be adj. of sb. to do sth.（3）It替代作主语的动名词的常见句型：It’s no good/use doing…It’s (well)worth doing…It’s (well)worth one’s while doing/to do It’s (well)worth while doing/ to do 2. It替代作主语的从句常见句型 （1）It is + noun +从句 （...
一点小毛病就去看医生是浪费时间。2、It is a waste of time warning him — he is determined to go his own way.警告他等于浪费时间,因为他决心要照自己的意思去做。二、在非正式的英语中也有It's a waste of time to do sth.的用法 1、It is a waste of time to read such a ...