How about...? ...怎么样?
How do you like...? 你认为...怎么样?
How much shall i pay for...? 我该为...付多少钱?
How often do you...? 你多久...
How can you...? 你怎么能...?
How come...? ...怎么回事?
How long have yoy been...? 你...多久了?
How long will it take...? ...要多久?
How do you know...? 你怎么知道...?
How are you getting along with...? 你跟...相处怎么样?

what about...? ...怎么样呢?
what else...? 还有什么...?
what kind of...? 什么样的...?
what do you think...? 你认为...怎么样?
what would you like to...? 你想...?
what do you think of...? 你觉得...怎么样?
what's wrong with...? ...怎么了?
what's your favorite...? 你最喜欢...?
what seems to be the problem with...? ...大概是什么问题?
what makes/made you...? 你怎么会...?

why didn't you...? 你为什么不...?
why don't we just...? 我们为什么不...?
why do you think...? 你为什么会认为...?
why do you have to...? 你为什么要...?
why is it that..? 为什么...?

when are you going to...? 你打算什么时候...?
when would you like to...? 你想什么时候...?
when do you want me to...? 你想让我在什么时候...?
when could you possibly...? 你大概能在什么时候...?
when will it be convenient for you to...? 你看什么时候方便...?
Be... 要...
Be careful! (小心)
Be polite to the guests(要礼貌待客)
Be specific(说详细点)

Don't... 别;不要...
Don't move (别动)
Don't belive him,he's a cheat!(别相信他,他是个骗子)
Don't get your clothes dirty!(别搞脏了衣服)

Don't be ... 别;不要...
Don't be lazy(别偷懒)
Don't be foolish(别傻了)
Don't be childish(不要孩子气了)

stop... 停止...
stop fighting(别吵了)
Stop it!you're hurting me (别弄了!你把我搞痛了)
stop shouting--you're giving me a headache!(别嚷了--你真让我头痛)

keep... 保持...
keep quiet!(安静!)
keep in touch (保持联系!)
kkep on trying!(继续努力!)

What...! 多么...!
what bad news(it is)! (多么不好的消息)
what a beautiful day! (多么好的一天)
what a drastic change! (多么巨大的变化啊!)

How...! 太...了!
How delicious!(多么美味啊!)
How generous he was (他真是太慷慨了)
How smart you son is! (你儿子多聪明啊!)

I have just... 我刚刚
i have just heard the news(我刚刚听到这消息)

I have already... 我已经...了
i have already told you three times (我已经告诉你三遍了)

I have never... 我从来没有...
i have never heard such things (我从来没听到过这样的事)

I haven't ...for ... 我...没有....了
i haven't seen you for a long time (我很长时间没有见到你了)
i haven't studied english for a long time (我很长时间没有学习英语了)
i haven't slept for two days (我两天没睡了)

I haven't ...so far... 我至今还没有...
i haven't learned much so far(我至今还没学多少)
i haven't heard the news so far(到目前为止我还没得到消息)
i haven't been abroad so far (至今我还没出国)

Have you ever...? 你曾...吗?
have you ever been aboard (你曾出过国吗)
have you ever tried chinese food (你吃过中国菜吗)
have you ever had a car accident (你曾有过交通事故吗)

Have you...yet? 你...了吗?
have you eaten yet (你吃过了吗)
have you found your keys yet (你找到钥匙了吗)
have you decided on your major yet?(你决定好自己的专业了吗)