· 二、为什么是be而不是其他动词？ be有3种词性：助动词、系动词、实义动词。 “should be right”之类的结构中的be是系动词，用于连接前面的“主语”和后面的“表语”，构成“主 … “no, it’s absolutely not safe to use a space. Should 的用法一、should表示义务、责任、劝告、建议，其同义词是ought to；在疑问句中，通常用should代替ought to. 例如：you should go to class right away. 你应该马上去上课。should i … If you turn your home’s furnace off at night, it becomes much harder for the system to heat your home during the next day to reach a comfortable level, and that means an increase in your energy bills. Instead, you should leave your hvac system on all night to maintain a consistent temperature in your house. 接下来让我们看下should be和should的用法区别： 1. 词性：should be是一个动词短语，其中be是动词的原形。 should是一个助动词。 例子： - this problem should be solved. You should leave your heater on to minimize the drastic change in temperature , too. 表示愿望或者预期的事情，比如：it should be sunny tomorrow. 当然，也有一些非过去式的用法： its high time that hillary and her … 表示建议，比如：you should wear this dress. · while there is much debate about this topic, the general, expert consensus is a resounding “ no ” — and you should never leave it running overnight. Should虚拟 语气词 ,用法 should + do（动词原形）. Keep your hvac running with only a small nighttime temperature drop for efficiency and safety. 表示义务、责任等，比如： you should help your friends. In fact, turning your heat off at night can even overwork your system and lead to a. · 例句：shouldyou change your mind, please let us know. （=if you change your mind, please let us kno… “should”自带过去式，可以表达虚拟状态： its high time that somebody should take responsibility down the stretch. · should与ought to的比较 (1) 除表示“万一”“竟然”等只能用should外，表示“应该，应当”“可能”等，两者可互换，只是ought to的语气稍重。 如: You ought to/should work harder than … 而should be只是他的用法,这里的be是 系动词 ,在 情态动词 should后用原形,should be+adj （形容词） eg. everyone should be here on … · experts say you shouldnt leave your heating on all night leaving the heating on while sleeping will add to the costs of your energy bills but it could also encourage the growth of mould on your walls and cause some health issues. Should的用法和其各种句型 一、should的用法：should为情态动词，表示“应该，应当”，常用来征求别人的意见和建议。后接动词原形，没有人称和数的变化。 1、should意为“应该”，表示劝 … In this piece i’ll walk you through 7 clear reasons why you shouldn ’t leave a heater on all night , with practical fixes you can do tonight. Stay warm with extra bedding, preheating the room, or using a smart thermostat. · 我直接把我写的语法课里的精华拿出来了。 should做为情态动词的用法，其实是从shall的过去时引申而来的。 shall的意思可以理解为“应该”，而should做为情态词，可以翻译 … · don’t leave space heaters on overnight —they can overheat or cause fires. · it depends on the heater , the setup, and the precautions you take. · explore the pros and cons of leaving the heating on overnight , including comfort, energy efficiency, and expert-backed safety tips, to help you make the best choice for your home and reduce.
