1.咨询信:I’m writing to enquire/ask about…
2.邀请信:I’m writing to invite you to attend our English Salon.
3.申请信:I’m writing to apply for the position. (正文的词:be qualified for, be equipped with)
4.求助信:I’m writing to ask a favor of you.
5.感谢信:I’m writing to extend my gratitude for ....
6.慰问信:I’m extremely sorry to hear that .... Are you feeling better now?
7.欢迎词:Please allow me, on behalf of my school, to express our warmest welcome to...
I feel honored/it a great privilege/honor to express our warmest welcome to …, on behalf of my school.
8.建议信:I’m writing to offer my suggestions on /about….(正文:it is suggested that…; why not…; If I were you, I would do…)
9.请假信:I’m writing to ask for a leave from your literature class next Thursday.
10.祝贺信:I’m writing to express my heartfelt congratulations on your winning ....
11.道歉信: I’m writing to make an apology(to sb) for (doing) sth
12.投诉信: I’m writing to complain (to sb) about sth / make a complaint (to sb) about sth
(body部分:be dissatisfied with...对...不满意express dissatisfaction with/about ...to one's disappointment)
13.通知
1). ...will be held /...is to be held / ...will take place 将举行...
2). sth/sb be scheduled to do sth ...计划(定于)做...
3). You are required/expected to do sth 要求你...
4). Everyone is welcome to do... / Those who… are welcome to join in the activity.