· frequently和often区别frequently和often在日常使用中经常被混淆，其实它们之间存在细微的差别。frequently一词更偏向于正式场合，用来强调某个行为发生的频率较高，例如：“ … How often should you replace a mattress? · heres what you need to know. · how often 指 “每隔多久,多久一次做。。。”， 主要用来对 频度副词或状语 (如：once a day, three times a week 等)提问。 如：a：how often does he come here? Is it time for a new mattress? There are various factors that influence when you should replace your mattress. · often中的t发音吗?怎么有听到类似offten的读法?探讨 often 这个词的发音，你会发现它在英语中存在两种读音：带/t/ 和不带/t/。 在英美两国母语者中，这两种发音都广泛存在，且不存在明显 · in general, you should get a new mattress every 7-10 years. Often,usually,always的区别： often,usually,always是英语中最常见的频度副词，他们在句中的位置大致相同：通常放在行为动词之前,系动词be、助动词和情态动词之后. 但是他们所表示的含义及频度各不相 … 经常英文：often 、frequently、regularly 1、often 读音：英 [ˈɒfn] 美 [ˈɔ:fn] adv. 经常;常常;时常;再三 比较级： more often 最高级： most often 例句：people often have incorrect information about food. How often should you replace your innerspring mattress? Often是 频率副词，和sometimes，always，never，frequently等一样表示习惯性。 1、often后接动词原形用于 一般现在时： 例：i often go to the library on sundays. 我经常星期天去图书馆。 2、often后接 … · the general consensus is that a mattress should be replaced every seven to ten years , says jakub chmiel, a mattress expert with over a decade of experience in the sleep business. · the quality of materials used in different models will affect their lifespan, but you can expect to get seven to 10 solid years of use out of a hybrid mattress. However, many people keep their mattresses longer than that. · often的用法1：often的基本意思是“常常,经常”,主要修饰动词,也可修饰其他副词或形容词,指某件事情在不同场合下屡次发生,具体的时间意味不强。有时often还表示“在许多场合下”。可用于 … However, the lifespan of any specific mattress depends on a number of factors, including what it’s made out of, how it’s cared for, how often it’s used, and the body type and sleep position of the person using it. The better sleep council found that people often wait 10 years or more before replacing their mattress. Often与usually的区别：表示的时间程度不同。体现在： 1) usually (75%)意为“通常”，着重表示已形成习惯的动作，反义词为unusually. · when should you replace your mattress? 时常, 常常 这些读音都是正确的，因为美音和英音发音有所区别，所以会有人说得不一样。 有t 的发音是因为often 这个词来源于oft，英国人比较考究，所以大部分人都要发出t，并认为有t … Of course, this is a general guideline and not a one-size-fits-all solution. · often后用动词一般使用一般现在时态，后面的动词根据主语的形式而发生变化。 当主语是单三时，后面是动词的单三形式。 当often前面的主语是i或者we时，后面的动词为动词原形。 … Experts generally recommend replacing your mattress every 7 years or so. Under normal conditions, mattresses should be replaced every 6 to 8 years. Often [fn] [ftn]adv. · but when should you replace your mattress? · we’ll give you the lowdown on mattress types and how long they last, plus how else you can know it’s time to replace yours. 2)often (50%)相当于at times, 意为“时常，经常”。表示常常这样，但 … How often should you replace your mattress ? Getty images) a good rule of thumb for whether a mattress needs replacing is if its seven years.
