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.

　　It is 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