I didn't realize...我不知道…….俄没意识到……

I (don't) feel like...我(不)想……

I don't get very excited about...我对……不怎么感兴趣.

I don't know how to...我不知道如何……

I don't see (that)...我看不出/我认为不…….

I don't think it is necessary to...我认为没有必要……

I don't think it's right to...我认为……是不对的.

I doubt that if (whether)...我怀疑/我不相信……

I dream of...我梦想……

I'm dying to...我渴望…….俄盼望……

I feel very honored to...我觉得很荣幸……

I'm fed up with...我厌倦了…….我受够了……

I'm sick and tired of...我对……感到厌烦.

I find it hard for me to...我发现……对我来说很难

I hate to disagree with you, but...我不想跟你有不同意见,但是……

I have confidence in...我相信…….我对……有信心.

I have nothing to do with...我与……无关.

I have no experience in...我在……方面没有经验

I haven't (done)... for a long time我很久没有……了

I insist that...我坚决要求……

I insist on (doing) 我坚持……

I intend to我打算……

I like nothing better than...我喜欢……胜过任何东西

I never dreamed of 我从未想过……

I prefer... to 我喜欢……甚于…

I prefer to... rather than...我宁愿…...而不愿

I really want to know...我真的很想知道……

I set my mind to do sth (on sth)我下定决心…….

I sincerely hope that...我真诚地希望……

I strongly advise you to...我强烈建议你……

I suggest (that)...我建议……

I think this is a good chance for you to...我认为这是你...的一个好机会

I think it is a good idea to...我认为……是个好主意

I think it is a waste of money (time) doing...我觉得……是浪费金钱/时间.

I think it's wrong to...我认为……是不对的.

I think that it is impossible to...我觉得……是不可能的.

I think you might like to...我想你可能会喜,灯想……

I think you'd better...我觉得你最好……

I want to express my gratitude to...我要感谢……

I was impressed by...我被……打动了;……给我留下深刻印象.

I (wonder) was wondering if...我想知道…/我在想是否…

I demanded (that)...我要求……

I won't...unless 除非……否则我不会…

I used to...我过去常常……

I would advise you to...我会建议你……

I would appreciate it if...如果……,我会非常感激.

I would like to recommend...我想推荐……

I would like to... rather than...我宁愿……也不……

I would rather...than...我宁愿……,而不愿……

I wouldn't feel happy if...如果……我会不高兴的

I'd be happy to if you'd like如果你愿意,我很高兴…

I'd like to know more about...我想了解更多关于…

I'd like to suggest you do...我想建议你…

I'd like (love) to, but...我很想,但……

I'm (not) certain...我(不)确定……

I'm afraid I won't be able to...恐怕我不能…

I'm busy with (doing)...我正忙于……

I'm considering (doing)...我正考虑…

I'm convinced that...我确信…

I'm curious to (do) about...我对(做)……很好奇

I'm determined to...我决定…

I'm getting a little concerned about...我对……有点担忧.

I'm interested in...我对……感兴趣

I'm (just) calling to...我打电话来是要…

I'm (not) sure...我(不是)很确定…

I'm not very interested in...我对……不是很感兴趣

I'm occupied (with)...我忙于…

I'm really fond of...我的确喜欢…

I'm really (terribly) sorry for...我对……感到非常抱歉

I've been thinking about...我一直想…

I have a desire to...我非常渴望…

I've decided to...我已经决定…

If I did..., I would...如果我……,我会…

If I had done..., I would have done...如果我……,我就会…

If I were you... I would...如果我是你……,我就会…

If only...! 真希望……!若是……那该多好啊!

If it is possible 可能的话…

If you ask me, I think...如果你问我,我认为…

If you want to...you'll have to...如果你想……,你将不得不…

In a word...总之,…

In brief (short) ...简言之,……