请帮忙翻译个英语句子

You conveyed your repeated thanks in the recent letters, in fact we should have thanked you in the earlier time.

you've been expressing your gratitude to us. Actually it is we who should have thanked you early.

In your recent letter has repeatedly expressed gratitude to us, in fact, the sooner we should be grateful that you only!

In your recent letter has repeatedly expressed gratitude to us, in fact, the sooner we should be grateful that you only

you have been expressing your gratitude again and again to us in recent letters, actually it was us who should thank you first.

You've been expressing your gratitude in recent letters, which in fact it is we should have done it.