Matching Pairs Formal letters; expressionsOnline version Learning expressions used in formal government letters. by Jakub M. 1 It is my pleasure to inform you that 2 We need a filled in form F21 to further assess your application, so please send it to us 3 Due to an exceptionally high volume of applications 4 It is with regret that we inform you that 5 To consider your application 6 Your application has been received 7 it will soon be assessed. your claim has been approved. you are not eligible for this claim. we need additional documents. we inform you that the waiting time is longer than usual. as soon as you can.