In conclusion, ...最后,…….聪之,……

In general —般而言,……

In my opinion (view) 我认为……

In order to you should...为了…·你应该

In other words 换句话说……

In that case 既然那样

...is of great importance...很重要

Is it convenient for you to...你是否方便…

Is it OK if…如果……可以吗

Is it possible to...有可能吗

Is there a better way to 有没有更好的方法

Is there any chance you could possibly 你有没有可能

Is there anything else that 还有别的吗

It appears that 看来,/ 似乎

It depends on whether这取决于……是否

It doesn't make sense to 没有任何意义

It doesn't matter whether (if) 如果……也没关系.

It goes without saying that 理应如此/不言而喻.

It makes a (no) difference (to sb.) (对某人来说)……很重要/无所谓

It occurred to me that 浮现于我的脑中.我想起

It won't do any harm to 没有坏处

It would be wonderful if 要是……那就太好了

It happened that 很偶然

It helps if 如果……的话,将会(对某人)有帮助/好处

It's amazing (that) 很了不起

It is bad to 是不好的

It's hard to imagine 很难想像

It is believed that 人们认为…

It didn't (won't) take long before...没多久/不需要多久……就

It is easier to... than to比.....容易

It is easy enough to 相当容易

It is essential that...有必要…

It is good manners to do 是有礼貌的表现.

It is high time ...现在是……的时候了;早就应该……了

It is hoped that...希望

It is important that 是很重要的

It's long been my dream to 一直是我的梦想

It is (very /not) likely that...(很/没)有可能

It is (not) necessary to 是(没)有必要的

It is no use doing sth. 做某事是毫无用处的

It is not unusual for sb to do...某人做……不足为奇

It is possible (impossible) to 是(不)可能的

It is dangerous to 危险

It is (rather) common to do...(相当)普遍

It is reported that...据说;据报导

lt is required that 要求…

It is said that 据说…

It is thought that...人们认为…

It is (not) true that (不)是真的.

It is (very) difficult to (非常)困难.

Ifs really a challenge for me to 对我来说确实是一个挑战

It is (very) useful to 很有用

It is (was) obvious (clear) that...很明显…

It seems (seemed) that...好像…….似乎…

It sounds like 听起来好像…

It takes sb some time (money) to do sth.某人花多长时间/多少钱做某事

It wasn't until that...直到……才

It would be wonderful if...如果……那就太好了

It's not (just) like sb to do sth...的行为不/正像某人的一贯作风

lt's a bad habit to 是一个坏习惯

It's a great pleasure to (感到)非常愉快

It's customary to...是习惯

It's delightful to 令人很高兴

lt's my great honor to 是我莫大的荣幸

It's (not) good to...(不)好

It's our duty to...……是我们的责任

It's wrong to…是不对的

It's a shame (pity) that...可惜/遗憾……

It is (really) unbelievable that……(真)让人难以置信

It is (will be) difficult to……(会)很难

It'll do you good to……对你有好处

Last but not least 最后但同样重要的是……

Let me explain why 让我解释为什么……

Let me fill you in on...让我来告诉你……

(Just) let me know if...如果……,请告诉我

Let me see if...让我看看是否……

Make sure to do sth —定要做某事

Maybe it's better to...可能……会更好一些

means a great deal to me 对我意义重大

My dream (goal) (plan) is...我的梦想/目标/希望所划是…

My point of view is that...我的观点是……

no matter what...无论什么…

no one can deny that...没有人能够否认…

no sooner...than...一……就……

no words can express...语言难以表达……;……难以言表

Not until...did...直到……才……

Now that 既然/由于……

On the condition that 条件是…

On the contrary 正好相反

On (the) one hand on the other (hand) 一方面……,另一方面…

One of the is 最……之一的就是……

Personally, I think ( believe) (feel)...我个人认为/相信/感觉…

Please don't hesitate to...请随时

Please feel free to 请随时

Please forgive me for 请原谅我

Please give my best wishes to...请代我问候

Recent studies show that...最近研究表明…

Sb. can do nothing but do...除了做……,某人什么也做不了

Sb. have no choice but to do...某人除了做……别无选择