informing为什么加ing

英语专家们帮我解决一个问题!
write a memo to all employees informing them of the increased health plan copay costs and the new payroll deduction for health insurance.上边这段话是让写备忘录吗?
备忘录怎么写呀?有什么格式吗?

帮忙找出语法错误?
Dear Sir or Madam,
We have the pleasure of informing you that we have made the agreement when we place an order of our NO.C456 Pigeon Bicycle.As soon as you recevied the sales Confirmation you should send us the L/C.But we remain haven’t recevied it one month ofter.
The goods are be good ready for you .Please deal with the L/C as soon as possible.
We hope to recevied your L/C soon.
Sincerely yours,
Dear sirs,
Thanks for your Fax on Apirl 20th about remind us open the L/C.We are so apologize to you that we haven’t open the L/C on time just because of our workers fault.Now we promise you that if we recevied your fax on May 18th we will open the L/C accord to the Bank of China as soon as possible.
Sincerely yours,

He sent yet another fax informing the journalist that if he did not reply soon he would be fired
为什么用Yet.yet不是只能用于否定句中吗

呼救啊keep me (informing、informed)of any trouble you have (to study 、studying),will you?（怎么选啊,要确定答案）

The terroists said that anyone caught informing on them would be killed.
anyone caught informing on这个部分怎么解释?informing换成attacking对不对?

这句话有没有语法错误
Sorry for my negligence in informing you our annual sales volume in the last mail.The correct annual sales volume should be 20 to 30million US Dollars.
Once again,I am awfully sorry for any inconvenience it may have caused you.

On May 15th you responded informing us that you would not put any of these goods on the contract
怎么翻译?

He sent yet another fax informing the journalist……informing前可否加逗号?
He sent yet another fax informing the journalist that if he did not reply soon he would be fired. 于是他又发了一份传真,通知那位记者说,若再不迅速答复,将被解雇.
informing前可否加逗号?

请问这句话的informing me that my former headmaster怎么理解做什么成分
I have just received a letter from my old school,informing me that my former headmaster ,Mr Stuart Page ,will be retiring next week.

helen___London without informing me and she___for several months.
A has left ...was away
B left .has been away
但我错选A 想问选择B的原因是什么呢

yet此处的词性与用法
He sent yet another fax informing the journalist that if he did not reply soon he would be fired.

He sent yet another fax informing the journalist that if he did not reply soon he would be fired
为什么用Yet.yet不是只能用于否定句中吗

I have received a letter from my old school,informing me that my former headmaster ...
为什么用informing,句中做什么成分?详细解说

He sent yet another fax informing the journalist that if he did not reply soon he would be fired.
1.that引导的是宾语从句吗?
2.informing the journalist 是作状语还是定语?为什么呢?
3.informing可以改成to inform吗?为什么?
4.would是虚拟语气还是仅仅只是过去时,为什么?

He sent yet another fax informing the journalist that ……能否用to inform?
He sent yet another fax informing the journalist that if he did not reply soon he would be fired.于是他又发了一份传真,通知那位记者说,若再不迅速答复,将被解雇.
通知记者算是发传真的目的吗?能否用不定式to inform表目的?

He sent yet anothe fax informing the journalist.
其中‘yet’为什么会放在那个位置,是什么用法.为什么informe要用进行时?

英语语法
he sent yet another fax informing the journalist that if he did not reply soon he would be fired.这里that if he did not reply soon he would be fired是什么从句,这里的that可以省略吗?inform sb sth?

两个都可以吗?I don't think it much good to inform/informing him of the matter.

英语语法题
He sent a fax informing the journalist that if he did not reply soon he would be fierd.中的informing为什么要用ing形式?
he had been arrested while counting the 1084 steps leading to the wall.这里的leading为什么要用ing形式?
为什么不用不定式？

英文翻成中文
Thank you for your fax informing the specifications and pricelist of your goods available from stock.We get in touch with you urgently as we find there is a promising market for some of the items after studying your information.We have decided to give you the enclosed order.
As to the payment terms,we have satisfactorily traded with you on confirmed,irrevocable sight L/C basis in the past.But now we wish to propose an easier way “Telegraphic Transfer”.When you get the shipment of our order ready,including the freight space which has been booked,please let us know as soon as possible.We will remit you the full value by T/T.This procedure would certainly help us save much time and a huge amount of cost on opening the L/C as well.We trust it will promote our sales.
Your kindness in grainting us the term and confirming our orders will be highly appreciated.

I have just received a letter from my old school informing me that my former headmaster,Mr.Reginald Page,_______(retire)next week .这个空格不应该是will retire吗?为什么是will be retiring .最好详细一些.

英语翻译
Mr ...sent and E-mail informing me to mee him on 20 Nov.of last year.I did not get it in time.And then he said we would meet when he went to China again.Until now,Mr...would replied me just like that he was pretty busy and would try to contact with me when he was in China again whenever I asked him about that.I think it resonable as Mr...might reject me from deep inside for my unfriendly on our first meet.
I can understand that and am doing my best to improve it,however,
I am always hesitated for if I should go on my awaiting like this?
I do not want to disappoint you and I trust you.
Dear Sir,
和
I miss the mail for your appointment information on Nov.25 of last year.And you said you will make an appointment with me when you visit China again.I have asked the time for many times,but you always said that you were busy and will tried to contact with me when you visit China again.Up to now,it will include some objective reasons.
I think maybe you have something for repulsion about me.Becauese I have strong pertinence in my words when we met in the first time.Maybe this would gave him a little bit revolt.(But this is only my feelding)
I can understand for this ponit and I am trying my best to impove it.But the objective reasons will make me difficluies.
And I always think out this question of whether I need to spend a long time for waitting?
I don't want to make you disappoint,due to I trust you.

请问老师：The cartoon aims at informing us of the significance of the consciousness of innovation.
句子 aims at是谓语,informing us 间接宾语 of the significance……这应该是直接宾语吧,所以这句子是不是有错应该去掉第一个of对吗?改为：The cartoon aims at informing us the significance of the consciousness of innovation.

he sent yet another fax informing the journalist that if he did not reply soon he would
be fired.　　　请问that在这是什么成分,还是和inform是搭配?怎么理解

He sent yet another fax informing the journalist that if he did not reply soon he would be fired.
他又发了一份传真,通知那位记者说,若再不迅速答复,将被解雇.
1.informing the journalist that if he did not reply soon he would be fired 是双宾语结构“inform sb.that从句,通知某人某事”,其中间接宾语为 the journalist,而直接宾语为 that 后的从句.
2.在inform的直接宾语从句中又使用了由连词 if 引导的条件状语从句.
3.请问有if,为什么还用that?

英语语法问题
We take pleasure in informing you that a parcel containing books and others has arrived for you from London.里面的containing是什么词性 在语法上怎么解释

He sent another fax informing Tom that the plan had been called off.
请问这里的informing是什么语法现象.

Please keep me _____ what happens. A．informing by B．informing of C．informed of D．informed by